ENG504 — Midterm Summary (Lectures 1–22)

📘 Lecture 1 — Introduction to Second Language Acquisition

📖 Overview: This lecture introduces the field of Second Language Acquisition (SLA), defining it as a research field focused on learners and learning rather than teachers and teaching. It establishes key concepts, explores what constitutes a good theory, and examines different views on the nature of language, setting the foundation for understanding how learners internalize and use a new linguistic system.

🗂️ Topics Covered

The lecture covers the introduction to SLA and its fundamental questions about how learners internalize and use a second language. It then discusses key concepts, including the difference between first and second language acquisition. The need for good theories is explored, along with the types of theories—specifically property theory and transition theory—and how to evaluate them. Finally, the lecture examines different views on the nature of language, describing it as learned, systematic, a skill, for communication, rule-governed, and unique.

📝 Lecture Summary

Introduction to SLA; Key Concepts

Second language acquisition (SLA) is a research field that focuses on learners and learning rather than teachers and teaching. The field addresses fundamental questions of how learners come to internalize the linguistic system of another language and how they use that system during comprehension and speech production. The term "second language" includes languages other than the native language, languages of wider communication encountered within a local region or community, and foreign languages. Learning can either be formal, planned, and systematic or informal and unstructured.

Key Concept: The learning and acquisition of a second language occurs once first language acquisition is established. For example, a child who speaks Hindi as a first language starts learning English when they begin school. In fact, a young child can learn a second language faster than an adult can learn the same language.

💡 Why this matters: Understanding that language development is heavily determined by the nature of the environment is crucial. A stimulating environment is required to enable natural curiosity, intelligence, and creativity to develop, and to enable our biological capacities to unfold.

What Makes a Good Theory: The Need; What Makes a Good Theory: Types of Theories

In the sciences and social sciences, a theory is a more or less abstract set of claims about the significant units within a phenomenon under study. It aims at explanation as well as description. Theories are produced collaboratively and evolve through systematic enquiry, assessed through hypothesis testing and involving a reflexive process. A good theory is supposed to give clear and explicit statements about its claims and must be testable or falsifiable in some way.

Two main types of theories are discussed:

• Property Theory: Concerned with the structure of the language and how a language changes; how certain words become obsolete; how certain factors lead to the addition of new words and merge them in a language system. In property theory, the language system is important.
• Transition Theory: More concerned with the developmental processes of language education. It is interested in finding out the different stages of learning in a second language learner. It can relate to first language acquisition, telling about the different learning stages in a child's life and how that learning is different or similar to second language learning.

🔑 Definition — Property Theory: A type of theory concerned with the structure of language and how it changes over time, focusing on the language system itself. 🔑 Definition — Transition Theory: A type of theory concerned with the developmental processes and different stages of learning in a language learner.

Evaluating a Theory of SLA

Theories are also distinguished from frameworks and models. These latter constructs refer to compilations of ideas and constructs that are bigger than theories. They may subsume some theories, but their intent is less to explain and predict and are generally more descriptive in nature. They can describe what happens in some detail and in some cases make relationships between different things, but they may not be able to explain why something happens the way it does.

Views on the Nature of Language

Language is the most important phenomenon in the world, dominating every aspect of human life and serving as a yardstick to separate us from other beings. Several views on the nature of language are presented:

• Language is learnt: Learning of language is not an automatic process. It is behaviour but not of the type like walking and crawling that comes to a child in a natural way.
• Language is a system: Each language is a unique system consisting of sounds, structures, and vocabulary. A person learning a new language must learn new sounds, new structures, and new vocabulary. The sound system differs from language to language depending upon the culture.
• Language is a skill: Learning a language is a skill subject, like swimming and cycling. It cannot be learned just by studying rules; it requires rigorous practice, with a lot of repetition for major linguistic skills like listening, speaking, reading, and writing.
• Language is for communication: Language is the best means of communication and self-expression. Human beings express their ideas, thoughts, feelings, and emotions through language, connecting past, present, and future.
• Language is rule governed: Each language is governed by a particular set of rules. For example, English is an S.V.O. language, meaning in forming a sentence, we put subject, then verb, and after verb there comes object.
• Language is unique: Each language has its own style of functioning, with its own specialty in sounds, vocabulary, and structures.

🔑 Definition — Nature of Language: The fundamental characteristics of language, including that it is learned, systematic, a skill, for communication, rule-governed, and unique.

⭐ Key Takeaways

SLA is a research field centered on how learners internalize and use a second language, requiring a stimulating environment for development. A good theory in SLA must be testable, falsifiable, and provide clear explanations, with two key types being property theory (focusing on language structure) and transition theory (focusing on developmental stages). Language is a complex phenomenon that is learned, systematic, a skill, rule-governed, for communication, and unique to each culture. Theories must be distinguished from frameworks and models, which are more descriptive and less explanatory. Understanding the nature of language is fundamental to studying how second languages are acquired and taught.

🧠 Quick Revision Questions

1. What is the primary focus of Second Language Acquisition (SLA) as a research field?
2. What are the two main types of theories discussed in this lecture, and what does each type focus on?
3. What are the essential characteristics a good theory must possess according to the lecture?
4. List at least four different views on the nature of language presented in this lecture.
5. Why is a stimulating environment considered important for language development?

📘 Lecture 02 — Nature of Language, Modularity and Language Variability

📖 Overview: This lecture explores foundational debates in second language acquisition, including the distinction between competence and performance, the nature vs. nurture controversy, and modularity of mind. It introduces key concepts like Universal Grammar and interlanguage variability, which are essential for understanding how learners build their language systems.

🗂️ Topics Covered

The lecture covers views on the nature of language including competence and performance, the language learning process through the nature vs. nurture debate, modularity in language learning and its application to SLA, and the concepts of system and variability in learner interlanguage. Key figures discussed include Chomsky, Skinner, and Piaget.

📝 Lecture Summary

Views on the Nature of Language: Competence and Performance

Linguists disagree over their main focus of study. Noam Chomsky prefers competence over performance. By competence, he refers to the abstract and hidden representation of language knowledge held inside minds with its potential to create and understand original utterances in a given language. However, there are difficulties in studying competence as language performance data are believed to be imperfect reflections of competence. The competence can only be assessed indirectly, under controlled conditions, through wide-ranging tests.

🔑 Definition — Competence: The abstract, hidden representation of language knowledge held inside the mind, with the potential to create and understand original utterances in a given language. 🔑 Definition — Performance: The observable use of language in real situations, which is considered an imperfect reflection of underlying competence. 💡 Why this matters: This distinction is crucial because researchers must design careful tests to infer what learners actually know (competence) from what they produce (performance).

The Language Learning Process: Nature vs. Nurture

The best-known controversy involves B. F. Skinner and Noam Chomsky. Skinner advocates behaviorist mechanisms; whereas, Chomsky emphasized the role of innate dispositions that expect natural languages to be organized in particular ways and support the role of Universal Grammar (UG).

🔑 Definition — Behaviorism (Skinner): The view that language is learned through environmental exposure, imitation, reinforcement, and habit formation. 🔑 Definition — Universal Grammar (UG) (Chomsky): The theory that humans are born with an innate, specialized biological capacity for language that constrains how languages are organized.

When we talk about errors in second language utterances, Behaviorists view errors as a result of "bad habits" which can be controlled through rote learning and pattern drilling using target language models. Recent studies contradict this view by claiming that errors and mistakes are patterned, although some of them are caused by first language influence, yet this is not true for all of them.

The Language Learning Process: Modularity

There are different views on seeing the mind as modular or unitary. In Piaget's view, language is simply one manifestation of the general skill of symbolic representation, and first language acquisition does not require any special mechanism. In contrast, Chomsky considers language as too complex to be learnt from environmental exposure and too distinctive in its structure to be learnable by general cognitive means. Universal Grammar is thus endowed with its own distinctive mechanism for learning.

🔑 Definition — Modularity of Mind: The view that the mind consists of specialized, independent modules or components, each dedicated to specific functions (e.g., language). 🔑 Definition — Unitary View of Mind (Piaget): The perspective that language is not a separate faculty but emerges from general cognitive abilities like symbolic thinking. 💡 Why this matters: Whether language has its own dedicated module or emerges from general cognition affects how SLA researchers explain why second language learning differs from first language learning.

Modularity and SLA

The modularity debate extends into SLA research. If language is modular and governed by Universal Grammar, then second language learners may still access this innate faculty, at least partially. If language is not modular, then SLA relies on the same general learning mechanisms used for any complex skill.

System and Variability in SLA

The learner's language system is unstable and characterized by a high degree of variability, which is a central feature of learner interlanguage. Recent studies claim that errors and mistakes are patterned, although some of them are caused by first language influence, yet this is not true for all of them.

🔑 Definition — Interlanguage: The systematic but evolving linguistic system that a second language learner constructs at any given point in their learning journey. 🔑 Definition — Variability: The characteristic of interlanguage where a learner's use of language features is inconsistent and changes over time or across different contexts.

⭐ Key Takeaways

Students must remember the fundamental distinction between competence (abstract knowledge) and performance (actual use), and the major debate between nature (Chomsky's Universal Grammar) and nurture (Skinner's behaviorism). The modularity debate contrasts Chomsky's view of language as a specialized mental module with Piaget's view of language as part of general cognition. Crucially, learner language is not random error but a systematic, though variable, interlanguage system where patterns emerge even in errors. Understanding this variability is essential for analyzing and interpreting second language learner data.

🧠 Quick Revision Questions

1. What is the difference between competence and performance in Chomsky's view?
2. How do behaviorists explain errors in second language utterances, and how does the lecture critique this view?
3. What is the core disagreement between Piaget and Chomsky regarding the nature of language learning?
4. Define Universal Grammar and explain its role in Chomsky's theory of language acquisition.
5. Why is variability considered a central feature of learner interlanguage?

📘 Lecture 3 — Creativity And Second Language Learning

📖 Overview: This lecture explores the interplay between creativity and routine in second language acquisition, examining how learners use both novel constructions and prefabricated chunks. It addresses the phenomenon of fossilization, where learning appears to freeze at a deviant stage, and investigates cross-linguistic influences like language transfer. The lecture also contrasts behaviorist and contemporary theoretical views on the role of language use and performance in developing second language competence.

🗂️ Topics Covered

The lecture begins by defining creativity in cognitive terms and its relation to language learning processes. It then examines the roles of formulas and routines in both first and second language use. A major focus is on limited learning and fossilization, including psycholinguistic and sociolinguistic interpretations. Cross-linguistic influences such as language transfer are discussed, followed by an analysis of second language use and performance from behaviorist and information-processing perspectives. The lecture concludes with references to other theorists.

📝 Lecture Summary

Creativity And Routines In SLA

Creativity is a complex notion, especially in cognitive terms. For language learning, creativity is not about the product but about the process of learning—understanding how the target language works through creative thinking. Learners’ surface utterances can be linked to an underlying rule system, even if these appear primitive and deviant compared to the target language system. Formulas and routines play an important part in everyday language use by native speakers. First-language utterances are a complex mix of creativity and prefabrication. A frequent use of unanalyzed chunks is also evident in young children’s first language as well as in the early stages of second language acquisition.

💡 Why this matters: This shows that even "incorrect" learner language follows systematic rules, and that routine expressions are a normal part of language development, not a failure to be creative.

Limited Learning: Fossilization

Second Language (SL) learners mostly remain noticeably different from native speakers in their pronunciation, and many continue to make grammar mistakes even when well-motivated or after years of study. This is typified by incomplete success. Fossilization refers to the situation when a learner’s SL system seems to “freeze” or become stuck at some more or less deviant stage. These two phenomena are significant facts about the SLL process.

🔑 Definition — Fossilization: A phenomenon in second language acquisition where a learner's interlanguage ceases to develop, remaining permanently at a stage that deviates from the target language norms.

Psycholinguistic and Sociolinguistic views interpret these phenomena differently. The former claims that language-specific learning mechanisms simply cease to work for older learners, and no amount of study can recreate them. The latter group argues that older SL learners do not have the social opportunities or motivation to identify with the native community; they may instead value their distinctive identity as learners or as members of an identifiable minority group.

Cross-Linguistic Influences

Learners’ performance in SL is influenced by the language or languages they already know. This is obvious in their accent as well as in certain characteristic mistakes. This phenomenon is called language transfer. Behaviorists view it as an important source of error and interference in SLL. However, recent theorists hold widely differing views on the extent and nature of these influences.

🔑 Definition — Language Transfer: The influence of a learner's first language (or any previously learned language) on the acquisition and use of a second language, affecting pronunciation, grammar, and vocabulary.

Second Language Use and SLL

Performing in a language involves speaking, making sense of data we hear, interpreting, and processing incoming language data. Language input is essential for normal language learning. The behaviorist theory saw regular (oral) practice as helpful in forming correct language “habits.” In contrast, contemporary theorists put emphasis on the “practice” function. For instance, information-processing theorists argued that language competence consists of both a knowledge component and a skill component. They see a vital role of SL use or SL performance in developing the skill component.

📌 Example: A learner may know (knowledge component) the grammar rule for the past tense (-ed) but still need extensive practice in speaking and listening (skill component) to produce it accurately and fluently in real-time conversation.

Second Language Use and SLL: Other Theorists

The lecture notes that the topic of SL use and its role in learning is further explored by other theorists beyond those already mentioned, though specific names and details are not provided in this lecture text. The implication is that the debate between the role of input, practice, and innate mechanisms continues across different schools of thought.

⭐ Key Takeaways

Students must remember that second language learning involves a dynamic mix of creative rule-formation and the use of memorized routines or chunks. Fossilization is a key concept representing the permanent cessation of learning before reaching native-like proficiency, with both psychological and social explanations. The learner's first language inevitably influences SL acquisition through language transfer, which can be a source of both errors and facilitation. Finally, linguistic competence involves both knowledge (knowing the rules) and skill (using them fluently), with active language use being essential for developing the skill component according to information-processing theories.

🧠 Quick Revision Questions

1. In the context of SLA, what is the distinction between "creativity" as a learning process and the use of "unanalyzed chunks"?
2. According to the psycholinguistic view, what causes fossilization in older second language learners?
3. How does a sociolinguistic perspective differ from a psycholinguistic one in explaining the incomplete success of SL learners?
4. What is the behavioral view of language transfer, and what term do they use for its negative effects?
5. According to information-processing theorists, what are the two main components of language competence, and how does SL use contribute to each?

📘 Lecture 4 — Second Language Use and Performance Perspective

📖 Overview: This lecture examines how second language learners use and perform in the target language, exploring key theories like Krashen’s Comprehensible Input Hypothesis and the role of interaction. It distinguishes between psycholinguistic and sociolinguistic perspectives on performance and concludes with different views of the learner as a language processor. Understanding these perspectives is crucial for grasping how input, interaction, and learner identity shape SLA.

🗂️ Topics Covered

The lecture begins with the Comprehensible Input Hypothesis and its contrast with Swain’s Comprehensible Output Hypothesis, then moves to the performance perspective from psycholinguistics, including the role of negative evidence. It then discusses the sociolinguistic view of interaction as a social process, and finally covers three main views of the learner: linguistic, social psychological, and socio-cultural perspectives.

📝 Lecture Summary

Second Language Use and SLL: Comprehensible Input Hypothesis

Language acquisition requires meaningful interactions in the target language, where speakers focus on conveying messages rather than grammatical forms. Error correction and explicit rule teaching are not considered relevant to acquisition. However, caretakers and native speakers modify their speech to help acquirers understand, and these modifications are thought to assist the acquisition process.

🔑 Definition — Comprehensible Input Hypothesis: Language acquisition occurs when learners understand input that contains language just beyond their current competence, achieved through meaningful interaction and natural communication.

📌 Example: A native speaker uses simpler vocabulary and slower speech when addressing a learner, ensuring the message is understood without focusing on grammar.

Second Language Use and SLL: Performance Perspective and Psycholinguistics

This perspective views interaction as integral and mutually influential between speaking and listening. From a psycholinguistic view, interaction offers opportunities for learners to fine-tune the language input they receive, ensuring it is well adapted to their internal needs.

🔑 Definition — Performance Perspective: A theoretical viewpoint that examines SLA by focusing on how learners actually use language in real-time, especially during interaction.

Performance Perspective and Psycholinguistics: Negative Evidence

Interaction is interesting to linguistic theorists because of controversies over the usefulness of negative evidence for second language development. This term refers to any input that informs the learner about unacceptable forms in the target language. It includes formal correction by a teacher and informal paraphrasing by a native-speaking conversational partner. However, corrections often seem ineffective; therefore, recent theorists put more emphasis on the provision of positive evidence.

🔑 Definition — Negative Evidence: Any type of input that provides information about what is grammatically unacceptable in the target language, such as formal corrections or conversational repairs.

🔑 Definition — Positive Evidence: Input that provides examples of what is grammatically acceptable in the target language, without explicit correction.

💡 Why this matters: The debate over negative versus positive evidence is central to understanding how learners actually notice and internalize grammatical rules.

Performance Perspective: Sociolinguistics

In the sociolinguistic view, interaction is seen as essentially social. The identity of the learner and their language knowledge are collaboratively constructed and reconstructed in the course of interaction. The details of these functions vary from apprenticeship to scaffolding, where more knowledgeable speakers support the learner's development.

🔑 Definition — Apprenticeship: A social learning arrangement where a novice learns from a more expert member of the community through guided participation.

🔑 Definition — Scaffolding: A temporary supportive structure provided by an expert to help a learner perform a task they cannot do independently, which is gradually removed as competence increases.

Views of the Learner

Second language learners can be children or adults learning the language formally (in school or college) or informally (through social interaction). They may learn a localized language to become an insider in a local speech community or a language of wider communication for economic development. There are three main views among SLL researchers:

Linguistic perspective is concerned with modeling language structures and processes within the mind. Social psychological perspective is concerned with modeling individual differences among learners and their implications for eventual learning success. Socio-cultural perspective views the learner as social beings and members of social groups and networks. The first two focus on inner mental mechanisms and aim to document developmental routes, but are less concerned with speed or rate of development and minimize social and contextual differences.

🔑 Definition — Learner as a Language Processor: A view that the learner is an active cognitive system that processes input, pays attention to form, and builds a mental grammar of the target language.

⭐ Key Takeaways

The most critical concepts from this lecture are the distinction between the Comprehensible Input Hypothesis (Krashen) and the role of output (Swain), and the difference between psycholinguistic and sociolinguistic perspectives on interaction. Negative evidence (corrections, paraphrasing) is often ineffective, so positive evidence is prioritized. Learners are viewed from three perspectives: linguistic (inner mental mechanisms), social psychological (individual differences), and socio-cultural (social identity and collaborative construction). The learner's identity and language knowledge are collaboratively constructed in interaction from a sociolinguistic view.

🧠 Quick Revision Questions

1. According to the Comprehensible Input Hypothesis, what is the primary requirement for language acquisition?
2. What is the key difference between psycholinguistic and sociolinguistic views of interaction in SLA?
3. Define negative evidence and give one example of how it might be provided to a learner.
4. Why do recent theorists emphasize positive evidence over negative evidence?
5. Name the three perspectives on the learner discussed in this lecture, and briefly state what each one focuses on.

📘 Lecture 5 — Difference Between Individual Learners

📖 Overview: This lecture examines why second language learners achieve different levels of success despite following similar developmental routes. It explores cognitive and affective factors that differentiate learners, the learner as a social being, and provides an overview of second language research history from the 1950s–1960s.

🗂️ Topics Covered

The lecture covers differences between individual learners including cognitive differences (intelligence, language aptitude, language learning strategies) and affective differences (language attitudes, motivation, language anxiety, willingness). It then discusses the learner as a social being, considering social context, identity, and socially constructed elements. The lecture concludes with the history of second language research, focusing on the 1950s–1960s, including structuralism and behaviourism.

📝 Lecture Summary

Differences Between Individual Learners; Cognitive Differences; Affective Differences

Second language learners generally differ greatly in the degree of success they achieve, even when following a common developmental route. Social psychologists attribute this to individual differences among learners. Gardner and Macintyre divide learner traits into two groups: cognitive and affective (emotional). The cognitive factors include intelligence, language aptitude, and language learning strategies. The affective factors include language attitudes, motivation, language anxiety, and willingness.

Learner as a Social Being

The two perspectives highlighted so far have concentrated (a) on universal characteristics and (b) on individual characteristics. It is also necessary to view the SL learner as essentially a social being and consider the social context in which learning takes place, as well as the learning opportunities it makes available. Interest in 'learner as a social being' also leads to concern with a range of socially constructed elements in learners' identities and their relationship with learning. Therefore social class, power, ethnicity and gender are significant in SLL research. The relationship between the individual learner and the social context is viewed as dynamic, reflexive, and constantly changing. The 'individual differences' tradition saw that relationship as being governed by traits (aptitude, anxiety, etc.) which are relatively fixed and slow to change, while socially oriented researchers viewed motivation, anxiety etc. as being constantly reconstructed.

Summary of Key Points

This section reinforces that individual learner differences in second language acquisition are categorized into cognitive factors (intelligence, aptitude, strategies) and affective factors (attitudes, motivation, anxiety, willingness). Additionally, the learner cannot be separated from their social context, as identity, social class, power, ethnicity, and gender dynamically interact with the learning process.

History of Second Language Research; The 1950s – 1960s

This chapter explores theoretical foundations of today's thinking, focusing on the post-war period. The period since the 1950s can be divided into three main phases: 1950s–1960s, 1970s, and 1980s onwards. In the 1950s and early 1960s, SLL theorizing was much adjunct to the practical business of language teaching. Language teaching methods at that time had to be justifiable in terms of an underlying theory. 'Progressive' language pedagogy (1950s) drew on a version of structuralism developed by British linguist Palmer. This approach is summed up as follows:

1. The conviction about a finite set of 'patterns' or 'structures' in language systems
2. The belief that reception and practice result in accuracy and fluency in foreign language habits
3. Methodology to teach 'the basic' first before encouraging learners to communicate their own thoughts and ideas

The dominant learning theory in mainstream psychology in this era was Behaviourism.

⭐ Key Takeaways

Students must remember that individual differences among second language learners are divided into cognitive factors (intelligence, language aptitude, language learning strategies) and affective factors (language attitudes, motivation, language anxiety, willingness). Learners must also be understood as social beings, where social context, identity, social class, power, ethnicity, and gender dynamically influence language acquisition. The history of SLL research in the 1950s–1960s was dominated by structuralism (Palmer) and behaviourism, where language teaching focused on patterns and habit formation through practice.

🧠 Quick Revision Questions

1. According to Gardner and Macintyre, what are the two main groups of learner traits?
2. Name the three cognitive factors and four affective factors discussed in this lecture.
3. Why is it important to view the SL learner as a social being?
4. What are the four socially constructed elements significant in SLL research?
5. What was the dominant learning theory in mainstream psychology during the 1950s–1960s?

📘 Lecture 06 — Behaviourism and First Language Acquisition

📖 Overview: This lecture examines Behaviourism as an early theory of language acquisition, its subsequent criticism by Noam Chomsky, and the paradigm shift that occurred in the 1970s. It highlights how first language acquisition research revealed universal stages, consistent ordering, and rule-governed behavior in child language, challenging Behaviourist assumptions about imitation and habit formation.

🗂️ Topics Covered

The lecture covers Behaviourism and its view of language learning as habit formation through stimulus-response and reinforcement; the critique of Behaviourism led by Chomsky; the 1970s research into first language acquisition showing universal stages, similar order of acquisition, acquisition of negatives, and evidence that child language is rule-governed rather than merely imitative.

📝 Lecture Summary

Behaviourism

Behaviourism views language learning as a formation of habits, creating stimulus–response pairing that becomes stronger with reinforcement. In first language (L1) acquisition, learning a new set of habits is relatively simple. In second language (SL) learning, however, one must replace old habits with new ones, which is complicated. If SL structures are similar to the learner’s first language, learning will be easy; if they are different, learning will be difficult. From a teacher’s perspective, this had two implications: (1) learning takes place by imitating and repeating (practice makes perfect), and (2) teachers needed to focus on structures believed to be difficult—specifically, areas of difference between languages. Therefore, researchers began comparing pairs of languages in what is called contrastive analyses.

🔑 Definition — Behaviourism: A theory that views all learning, including language, as the formation of habits through stimulus–response associations strengthened by reinforcement.

🔑 Definition — Stimulus–response pairing: The association between a trigger (stimulus) and an action (response) that, when reinforced, becomes a habit.

🔑 Definition — Contrastive analyses: The systematic comparison of two languages to identify differences, which were believed to be the source of learning difficulty.

Behaviourism under Attack

In the late 1950s, linguistics shifted from structural linguistics to generative linguistics, initiated by Noam Chomsky. In psychology, the pre-eminent role of the environment lost ground in favor of developmentalist views such as Piaget’s cognitive development theory. Chomsky strongly criticized Skinner’s Behaviourist views on several issues and rejected the idea that one can compare the behaviour of rats in a laboratory, learning simple tasks, to the behaviour of children learning language without direct teaching. Chomsky claimed that children have an innate faculty that guides them in learning language.

🔑 Definition — Generative linguistics: A linguistic approach, pioneered by Chomsky, that focuses on the innate, rule-governed nature of language rather than surface-level habits.

The 1970s: First Language Acquisition: Same Stages

In the 1970s, researchers including Klima and Bellugi (1966), Slobin (1970), and Brown (1973) found striking similarities in the language learning behaviour of young children, regardless of the language being learned. They showed that children all over the world go through similar stages, use similar constructions, and make similar kinds of errors.

💡 Why this matters: These findings directly contradicted Behaviourism, which predicted that language acquisition would vary greatly depending on the environmental input and reinforcement patterns.

First Language Acquisition: Similar Order

A consistent order of acquisition was found while studying English language structures. Children all over the world acquire negative forms around the same age and mark negation in similar ways across all languages.

📐 Finding: Children universally acquire certain grammatical structures in a fixed order, with negatives emerging at approximately the same age across languages.

📌 Example: A child learning English and a child learning Japanese both begin to produce negative expressions at roughly the same developmental stage, suggesting a universal, innate timetable rather than habit formation.

First Language Acquisition: Negatives

The acquisition of negatives was a key area of study. Children mark negation in similar ways across all languages and acquire negative structures in a predictable sequence.

📌 Example: In early negation, children might say "no want" or "no go" before they learn the adult forms "I don't want" or "I didn't go." This pattern appears across different languages and cannot be explained by simple imitation of adult speech.

First Language Acquisition: Rule Governed

Another important finding was that child language is rule-governed even if, initially, the rules children create do not correspond to adult rules. Children express relationships between elements in a sentence in a consistent way. When producing adult-like forms, they are not merely imitating and repeating; instead, they extract rules from the language they hear and apply them to their own production. It happens much later when they will be able to take on broad exceptions to those rules.

🔑 Definition — Rule-governed language: The principle that children systematically apply internalized grammatical rules to their speech, even if those rules differ from adult grammar, showing creativity rather than rote imitation.

📌 Example: A child who says "I runned" instead of "I ran" is applying the regular past tense rule (-ed) to an irregular verb. This overgeneralization shows the child has extracted a rule, not simply imitated what they heard, because adults rarely say "runned."

⭐ Key Takeaways

The lecture contrasts Behaviourism, which viewed language as habit formation through imitation and reinforcement, with the Chomskyan critique that children possess an innate language faculty. Research in the 1970s—by Klima, Bellugi, Slobin, and Brown—demonstrated that children across languages progress through universal stages, acquire structures like negatives in a similar order and at similar ages, and that child language is rule-governed rather than merely imitative. These findings fundamentally challenged Behaviourism by showing that children actively extract and apply rules to their speech, including overgeneralizations like "runned," which cannot be explained by imitation alone.

🧠 Quick Revision Questions

1. According to Behaviourism, what is the process of second language learning, and why is it considered more difficult than first language acquisition?
2. What two main criticisms did Chomsky level against Skinner's Behaviourist view of language learning?
3. What did Klima, Bellugi, Slobin, and Brown discover about children's language acquisition in the 1970s that contradicted Behaviourism?
4. Why does a child saying "I runned" (instead of "I ran") provide evidence that language is rule-governed rather than purely imitative?
5. What is "contrastive analysis" and how did it stem from Behaviourist assumptions about language teaching?

📘 Lecture 7 — Second Language Learning And Krashen’s Monitor Model

📖 Overview: This lecture begins by reviewing general principles of first language acquisition and then transitions into second language learning (SLL) theories. It critiques Contrastive Analysis and introduces Error Analysis as a more effective approach. The core of the lecture presents Krashen’s influential Monitor Model, focusing on its five hypotheses, beginning with the Acquisition-Learning Hypothesis.

🗂️ Topics Covered

The lecture outlines First Language Acquisition General Principles, then moves to Second Language Learning (SLL) focusing on Contrastive Analysis and its shortcomings. It then introduces Error Analysis as a better method for understanding errors, asking where errors come from and linking them to learner-internal systems like Selinker's Inter-language. Finally, it introduces Krashen’s Monitor Model, detailing the first of its five hypotheses: the Acquisition-Learning Hypothesis.

📝 Lecture Summary

First Language Acquisition: General Principles; SLL: Contrastive Analysis; SLL: Error Analysis; SLL: Where do Errors Come from? Krashen’s Monitor Model; Acquisition Learning Hypothesis

The lecture begins by establishing key principles from 1970s first language acquisition research. Children progress through stages that are remarkably similar across children and languages, though individual rates vary. Child language is rule-governed and systematic, but their rules often differ from adult rules, and they are resistant to correction. Their processing capacity limits the number of rules they can apply at any one time.

These findings attracted SLA researchers because the predictions of Contrastive Analysis were not working in practice. The idea that differences between languages are always difficult and similarities are always easy was proven false. Difficulty sometimes occurs in only one direction. The task of comparing languages to design teaching programs was seen as disproportionately huge relative to its predictive power. This disillusionment led to Error Analysis, the systematic investigation of SL learners' errors. Studies showed that most errors do not originate from the first language; they appear to be learner-internal in origin. In 1972, Selinker coined the term Inter-language, referring to the language produced by learners as a system, moving beyond just errors to focus on the learner's entire language system.

🔑 Definition — Contrastive Analysis: A method of comparing two languages (L1 and L2) to predict learning difficulties based on their differences. 🔑 Definition — Error Analysis: The systematic investigation and classification of second language learners' errors to understand the learning process. 🔑 Definition — Inter-language: The separate linguistic system that a learner constructs at a given stage of second language development, which is independent from both L1 and L2.

The Acquisition-Learning Hypothesis

This is the first and foundational hypothesis of Krashen’s Monitor Model. It distinguishes between two independent processes for developing ability in a second language: acquisition and learning.

• Acquisition is a subconscious process. It is similar to how children acquire their first language. The user is usually not consciously aware of the rules being learned. The focus is on meaning, not form. The result is acquired competence, which is intuitive and allows for fluent communication.
• Learning is a conscious process. It involves formal instruction and the explicit understanding of grammatical rules. The learner knows the rules and can talk about them. The result is learned competence, which acts as a monitor or editor.

According to Krashen, acquisition is the more important process because it is what enables natural, fluent communication. Learning only serves to monitor or edit the output from the acquired system.

🔑 Definition — Acquisition: A subconscious process of developing linguistic competence, similar to first language acquisition, where the focus is on meaning. 🔑 Definition — Learning: A conscious process of gaining explicit knowledge about the rules of a language through formal study. 💡 Why this matters: This hypothesis fundamentally changes how we view language teaching. It suggests that for true fluency, classrooms should prioritize activities that promote subconscious acquisition through meaningful communication, rather than just explicit grammar drills.

⭐ Key Takeaways

Students must remember that first language acquisition is stage-based, rule-governed, and resistant to correction. The failure of Contrastive Analysis led to Error Analysis, which revealed that most errors are learner-internal, not just from L1 interference, leading to Selinker’s concept of Inter-language. The central piece of this lecture is Krashen’s Acquisition-Learning Hypothesis, which makes a crucial distinction between subconscious acquisition (the basis for fluency) and conscious learning (a monitor for editing). The key takeaway is that for effective second language development, acquisition is the primary and more important process, while learning plays a secondary, editing role.

🧠 Quick Revision Questions

1. What are the five general principles of first language acquisition outlined at the start of the lecture?
2. Why did researchers become disillusioned with the Contrastive Analysis hypothesis?
3. What is the main difference between Error Analysis and the study of Inter-language?
4. According to Krashen’s Monitor Model, what is the difference between 'acquisition' and 'learning'?
5. According to this model, which of the two processes (acquisition or learning) is more important for developing fluent communication, and why?

📘 Lecture 8 — SLA Hypotheses

📖 Overview: This lecture explores Stephen Krashen's five key hypotheses about Second Language Acquisition (SLA), including the Monitor, Natural Order, Input, and Affective Filter Hypotheses. It also examines Schumann's influential Acculturation Model, which views SLA through social and psychological distance factors. Understanding these theories is crucial for grasping how learners internalize a second language and the conditions that facilitate or hinder acquisition.

🗂️ Topics Covered

The lecture covers Krashen's Monitor Hypothesis, Natural Order Hypothesis, Input Hypothesis (with a critique), and Affective Filter Hypothesis, followed by Schumann's Acculturation Model of SLA. It explains the function of the monitor, the predictable order of rule acquisition, the role of comprehensible input, the affective factors that block or allow input, and the social and psychological distance factors that determine acculturation and success in SLA.

📝 Lecture Summary

Monitor Hypothesis

According to Krashen, the learning system has only one function, i.e., as a monitor or editor. It comes into play only to "make changes in the form of our utterance." Acquisition initiates the utterances and is responsible for fluency; thus, the monitor is thought to alter the output of the acquired system. This hypothesis is criticized because the monitor doesn't operate all the time, as the pressures and demands of conversing in real time often don't allow it. Moreover, it is impossible to test the claims empirically.

🔑 Definition — Monitor: The learned system's function that edits or corrects utterances after they have been generated by the acquired system. 💡 Why this matters: This hypothesis distinguishes between subconscious acquisition (fluency) and conscious learning (editing), but its limited operation in natural speech challenges its practical role.

Natural Order Hypothesis

This hypothesis states that we acquire the language rules in a predictable order that cannot be determined solely by formal simplicity. This hypothesis is criticized for being too strong. It ignores well-documented cases of language transfer or individual variability. It is based almost exclusively on the morpheme studies, which reflect accuracy of production rather than acquisition sequences.

🔑 Definition — Natural Order Hypothesis: The claim that grammatical structures are acquired in a predictable, universal sequence, independent of instruction or simplicity. 💡 Why this matters: It suggests teaching should follow natural acquisition sequences, but critics argue it oversimplifies complex learner variability.

Input Hypothesis

The Input Hypothesis is linked to the above-mentioned hypotheses. It claims that we move along the developmental continuum by receiving comprehensible input. Too simple or too complex input will not be useful for acquisition. It claims that speaking is a result of acquisition and not its cause. Speech cannot be taught directly; it emerges on its own as a result of building competence via comprehensible input. Further, it says that if input is understood, the necessary grammar is automatically provided. This hypothesis is criticized for being vague and imprecise. It is impossible to verify the theory as no independently testable definitions are given. Nor does the theory specify the internal workings of the "Language Acquisition Device" where acquisition actually takes place.

🔑 Definition — Comprehensible Input: Input that is slightly beyond the learner's current level (i+1), which is necessary for acquisition to occur. 📐 Formula: i + 1 → The learner moves from their current level (i) to the next level (i+1) by understanding input containing structures at this next stage. 📌 Example: A learner who knows basic present tense ("I walk") hears a sentence like "Yesterday, I walked to the store." The -ed past tense marker is just beyond their current level. If understood in context, this input triggers acquisition of the past tense rule. If the input is too simple ("I walk now") or too complex ("Having walked, I had been thinking..."), no acquisition occurs.

Affective Filter Hypothesis

Just comprehensible input is not enough; learners also need to "let that input in" as it is. The Affective Filter supposedly determines how receptive to the input a learner is going to be. This filter captures the relationship between affective variables and the acquisition process. It posits that acquirers vary with respect to the strength or level of their affective filter. Learners' attitude toward second language acquisition determines their input and affective filter. Major criticism on this hypothesis claims it to be vague and a-theoretical.

🔑 Definition — Affective Filter: An imaginary barrier that prevents learners from fully processing comprehensible input; it is raised by negative emotions like anxiety, low motivation, or low self-confidence. 💡 Why this matters: It explains why two learners receiving the same input may have different acquisition outcomes based on their emotional states.

Schumann’s Acculturation Model of SLA

Schumann’s Acculturation Model views second language acquisition from a radically different angle and remained influential during subsequent decades. Schumann noticed that early interlanguage resembled pidgin language with characteristic features. SLA was compared to the complexification of pidgins. This process was linked to the degree of acculturation of learners. The closer they feel to the target language community, the better the learner will "acculturate" and vice versa. This model was influential in opening alternative lines of research comparing SLA with pidginization and creolization, and bringing to the fore social and psychological variables along with their roles in SLL.

According to the model, success depends on the extent to which learners adapt fully to the target language culture. Two major factors are identified in acculturation: social distance and psychological distance.

🔑 Definition — Acculturation Model: The theory that SLA success is determined by the degree to which a learner socially and psychologically integrates with the target language community.

Social Distance factors refer to those involving the relationship between the internal characteristics of a language group and the ability for the learner to become closer (socially) to that target language group. Among these factors are the social dominance of the language group, the ability for the individual to integrate into the group, the cohesiveness and size of the group, the attitude of both the group and the individual toward each other, and the length of exposure between the two.

🔑 Definition — Social Distance: The degree of contact and integration between the learner's group and the target language group; greater social distance hinders SLA.

Psychological Distance factors refer to the extent to which individual learners cope psychologically with learning an L2. Among these factors are anxiety, motivation, and self-confidence.

🔑 Definition — Psychological Distance: The learner's internal emotional state that affects their ability to process the L2; greater psychological distance hinders SLA. 📌 Example: A Spanish-speaking immigrant in the U.S. who lives in a large, cohesive Spanish-speaking neighborhood (low integration, high social distance) and feels anxious about making English mistakes (high psychological distance) will likely acculturate slowly and acquire English more slowly than an immigrant who lives in an English-speaking area, feels motivated, and is confident.

⭐ Key Takeaways

You must remember that Krashen's hypotheses form a comprehensive but heavily criticized framework: the Monitor Hypothesis explains learning's editing role, the Natural Order Hypothesis posits a fixed acquisition sequence, the Input Hypothesis demands comprehensible input (i+1), and the Affective Filter Hypothesis explains how emotions block input. The major criticism across all is that they are vague, untestable, and lack empirical rigor. Schumann's Acculturation Model offers a social-psychological alternative, arguing that SLA success depends on reducing both social distance (integration with the target group) and psychological distance (anxiety, motivation). Finally, note that Schumann linked early interlanguage to pidginization, opening a new line of research.

🧠 Quick Revision Questions

1. According to the Monitor Hypothesis, what is the sole function of the "learned system"?
2. What is the main criticism of the Natural Order Hypothesis regarding its evidence base?
3. Explain the concept of "comprehensible input" (i+1) and why input that is too simple or too complex is not useful.
4. List three affective variables that can "raise" the Affective Filter.
5. In Schumann’s Acculturation Model, name two factors each that fall under "Social Distance" and "Psychological Distance."

📘 Lecture 9 — Second Language and Universal Grammar

📖 Overview: This lecture examines the evolution of Second Language Acquisition (SLA) research in the 1980s and beyond, with a particular focus on the Universal Grammar (UG) approach developed by Noam Chomsky. It explains how UG provides both a descriptive framework for understanding what constitutes knowledge of language and a transition theory for explaining how that knowledge is acquired by second language learners.

🗂️ Topics Covered

The lecture covers SLA research from the 1980s onward, including the role of internal mechanisms such as language-specific and cognitive issues, the continuing influence of the first language, and fundamental questions about language knowledge, acquisition, and use. It introduces the Universal Grammar approach as both a property theory—characterizing underlying linguistic knowledge—and a transition theory—describing the process of language learning. Key aims of linguistic research are also discussed, including descriptive and explanatory adequacy.

📝 Lecture Summary

SLA 1980s and Beyond; SLA: The Role of Internal Mechanisms; SLA 1980s: The Role of First Language

By the mid-1980s, Second Language Learning (SLL) had matured into an autonomous field of inquiry. It encompassed substantial research programs with distinctive theoretical orientations and methodologies. New links emerged with cognitive science, neuro-psychology, and socio-cultural frameworks, greatly enriching the perception of SLA. However, the SLL research agenda continued to focus on fundamental issues carried forward from the 1970s.

These fundamental issues include:

• The role of internal mechanisms (like language-specific issues and cognitive issues)
• The role of the first language
• The role of psychological variables affecting learning (motivation, personality, language aptitude)
• The role of social and environmental factors
• The role of input

Linguistics and Language Learning: Universal Grammar Approach

The Universal Grammar (UG) approach was developed by Noam Chomsky. It posits that language is a result of the interplay of two factors: the initial state (the "language acquisition device") and the course of experience (input). The aim of UG is twofold: descriptive adequacy and explanatory adequacy.

UG is a property theory that attempts to characterize the underlying linguistic knowledge in second language learners' minds. The main goals of SLA are to answer three basic questions about human language:

1. What constitutes knowledge of language?
2. How is knowledge of language acquired?
3. How is knowledge of language put to use?

Aims of Linguistic Research

Linguistic theory aims to:

• Describe the mental representations of language that are stored in the human mind.
• Define what all languages have in common as well as their distinctive characteristics.

The UG approach in SLL provides a detailed descriptive framework that enables the formulation of well-defined hypotheses about the task facing the learner. It also allows researchers to analyze the learners' language in a more focused manner.

Universal Grammar: Knowledge of Language and Universal Grammar as a 'Transition Theory'

A transition theory describes the process of language learning. UG is also a transition theory because it is interested in describing the language transition process or learning process that occurs during the learning of the second language.

In that sense, UG answers the two main questions that Chomsky said learners must know or that language theory must answer:

1. It describes the knowledge of the language (as a property theory).
2. It moves on to explain how that knowledge is acquired by the learners (as a transition theory).

🔑 Definition — Universal Grammar (UG): A linguistic theory developed by Noam Chomsky that posits humans are born with an innate set of grammatical principles common to all languages. It attempts to characterize the underlying linguistic knowledge in learners' minds. 🔑 Definition — Property Theory: A theory that characterizes or describes the nature of linguistic knowledge or competence in the mind of the learner. 🔑 Definition — Transition Theory: A theory that describes the process by which language knowledge is acquired or learned over time. 📐 Formula: Language = Initial State (innate language acquisition device) + Course of Experience (input) → This means language ability results from the interaction between our biological language faculty and the language we are exposed to. 💡 Why this matters: Understanding UG helps explain why second language learners make specific types of errors and why some aspects of language are easier or harder to learn than others.

⭐ Key Takeaways

The most critical points from this lecture are that SLA research in the 1980s moved beyond earlier questions to integrate internal mechanisms, cognitive science, and socio-cultural frameworks while keeping core issues like first language role and input. The Universal Grammar approach is fundamentally concerned with two types of adequacy: descriptive (what we know) and explanatory (how we know it). UG functions as both a property theory that characterizes the mental representation of language and a transition theory that explains the learning process. The three essential questions UG seeks to answer for SLA are: what constitutes knowledge of language, how it is acquired, and how it is put to use. Finally, linguistic research aims to discover what all languages share in common and what makes each language unique.

🧠 Quick Revision Questions

1. What are the three basic questions about human language that SLA research aims to answer according to the UG approach?
2. What is the difference between a property theory and a transition theory in the context of Universal Grammar?
3. Name the two factors that, according to Chomsky, interact to produce language.
4. What are the two main aims of linguistic research as described in this lecture?
5. What were the five fundamental issues carried forward from the 1970s that remained central to the SLA research agenda in the 1980s?

📘 Lecture 10 — Universal Grammar and First Language Acquisition

📖 Overview: This lecture explores the relationship between Universal Grammar (UG) and first language acquisition, examining how children acquire language despite limited input. It considers theoretical scenarios for second language acquisition, arguments from first language development supporting UG, and evidence opposing the universal grammar approach. The lecture emphasizes that language acquisition is rule-governed, systematic, and appears largely separate from general cognition.

🗂️ Topics Covered

The lecture covers how children create mental representations of language beyond the input they receive, theoretical scenarios for whether second language grammars are constrained by UG or not, how language knowledge (competence) is accessed and used, arguments from first language acquisition including developmental stages and rule-governed behavior, and opposing evidence such as cognitive deficits with normal language development and specific language impairment.

📝 Lecture Summary

UG: Acquisition of Language

Children create mental representation of language based on messy input that goes beyond the input they are exposed to. This mental representation is very similar to that of other native speakers of the same language variety. Language is described as the most abstract piece of knowledge. Second language learners, by contrast, are cognitively mature and presumably much more resourceful in problem solving and dealing with abstract concepts.

UG: Acquisition of Language: Theoretical Scenarios

From a theoretical point of view, different possible scenarios are open to consideration. Two main possibilities exist: either second language grammars are constrained by universal grammar (UG) or UG does not constrain second language grammar (UG is impaired).

How is Language Put to Use?

The UG approach is concerned with knowledge of language called "competence." It is not about performance — how language is used in real life. A complete theory of language must also define how we access our knowledge base and how it relates to sociolinguistic and psychological variables. Chomsky acknowledges this and has been concerned almost exclusively with addressing the first two issues.

Arguments from First Language Acquisition

The notion of an innate language faculty in children argues that children go through developmental stages which are very similar across children of a given language, though progress rate varies. These stages are similar across languages. Child language is said to be rule-governed and systematic; children are resistant to correction and have limited processing capacity.

🔑 Definition — Developmental stages: predictable, sequential phases all children pass through during language acquisition, with similar patterns across languages and children, though individual rates vary.

UG and First Language Acquisition

Universalists do not conclude that there must be a specific language module in the brain. Language does not seem to be linked in any clear way to intelligence. Children vary in the age at which they go through these developmental steps and in how fast they go through each stage. Many children with cognitive deficit develop language normally. There are numerous examples of people with cognitive disabilities or difficulties who performed well in language(s).

💡 Why this matters: This separation between language and general cognition is a foundational argument for Universal Grammar — if language were simply part of general intelligence, cognitive deficits would always impair language, but this is not observed.

Opposing Evidence

Evidence of the opposite is also found. There are many cognitively "normal" children with impaired language condition known as "specific language impairment." A study suggests that some aspects of language at least might be genetically controlled. Damage to the left hemisphere of the brain also results in language deficit. Language and cognition seem to be largely separate but they do interact.

🔑 Definition — Specific language impairment (SLI): a language disorder in children who have normal cognitive abilities and no other developmental disabilities, suggesting language can be selectively impaired.

📌 Example: Children with cognitive disabilities or difficulties who performed well in language(s) provide evidence for the separateness of language and cognition. Conversely, cognitively "normal" children with specific language impairment provide opposing evidence, showing that language ability can be impaired even when general intelligence is intact.

⭐ Key Takeaways

The critical points from this lecture are: First, children create mental representations of language that go beyond the messy input they receive, supporting the idea of an innate language faculty. Second, theoretical scenarios for second language acquisition include both UG-constrained and UG-unconstrained possibilities. Third, UG is concerned with competence (knowledge of language) not performance (real-life use). Fourth, language acquisition is rule-governed and systematic across children and languages, though rate varies individually. Finally, language and cognition appear largely separate but interact, as evidenced by both cognitively impaired individuals with normal language and cognitively normal individuals with specific language impairment.

🧠 Quick Revision Questions

1. What does the UG approach focus on — competence or performance?
2. What are the two theoretical scenarios for whether UG constrains second language grammar?
3. What evidence suggests that language and cognition are largely separate?
4. What is "specific language impairment" and why is it considered opposing evidence to universal grammar claims?
5. Why do universalists argue that children must have an innate language faculty despite limited and messy input?

📘 Lecture 11 — Universal Grammar and Second Language Learning

📖 Overview: This lecture explores the role of Universal Grammar (UG) in second language learning, building on the concept of an innate language faculty. It examines the arguments for UG, its principles, cross-linguistic variation, and several hypotheses about whether second language learners have access to UG. The lecture also evaluates the scope and achievements of UG theory in the context of SLA.

🗂️ Topics Covered

The lecture covers arguments for Universal Grammar based on Lenneberg's biologically triggered behaviors, the principles of UG including structure-dependency and functional categories, sources of cross-linguistic variation in UG, the relationship between UG and second language learning, different hypotheses regarding access to UG in SLA, and an evaluation of UG's scope and achievements.

📝 Lecture Summary

Arguments of (Universal Grammar) UG

The evidence indicates that there must be an innate language faculty that is biologically triggered. Lenneberg (1967) outlined characteristics typical of biologically triggered behaviors and argued that language conforms to these criteria. Aitchison presents Lenneberg's criteria as six features:

1. The behaviour emerges before it is necessary — children start talking before they need it for survival.
2. Its appearance is not a result of a conscious decision.
3. Its emergence is not triggered by external events.
4. Direct teaching and intensive practice have relatively little effect.
5. There is a regular sequence of 'milestones' as the behaviour develops, correlated with age and other aspects of development.
6. There may be a 'critical period' for acquisition — humans must be exposed to language before puberty for language to develop.

Principles of UG

The first language learner's initial state is supposed to consist of a set of principles; languages vary only in limited ways, meaning language learning is highly constrained in advance. UG includes the principle of structure-dependency, which states that language critically depends on the structural relationship between elements in a sentence. All languages consist of sentences containing at least a Noun-Phrase and a Verb-Phrase.

🔑 Definition — Structure-dependency: A principle of UG stating that language operations depend on the structural relationships between elements in a sentence, not on linear order.

UG: Cross-linguistic Variation

UG includes a universal inventory of categories that the child selects from based on input. According to White, there are three potential sources of cross-linguistic variation relating to functional categories:

1. Languages can differ in which functional categories are realized in the grammar (e.g., Japanese lacks the category Determiner).
2. The features of a particular functional category can vary from language to language (e.g., French has a gender feature while English does not).
3. Features vary in strength: a feature can be strong in one language and weak in another, with syntactic consequences (e.g., Inflection features are strong in French and weak in English, resulting in word-order alterations).

💡 Why this matters: Understanding cross-linguistic variation helps explain why second language learners from different L1 backgrounds face different challenges when learning the same L2.

UG and Second Language Learning

Universal Grammar is a theory of natural languages that includes second language as well. First and second language learning are similar in many ways. In L1 acquisition, the explanation that generated most enthusiasm was about a kind of language blueprint in the brain. Second language learners go through fairly rigid stages which are unlike both their L1 and the L2 they are exposed to. The situation is complicated by several factors:

• SL learners are cognitively mature.
• They already know at least one other language.
• They have different motivations for learning a second language.

These points have important implications for the role of UG in SLL.

UG and SLL – Different Hypothesis

Even if the UG hypothesis is correct for first language learning, there are logical possibilities concerning its role in SLL:

1. Second languages are not constrained by UG principles and parameters and do not behave like natural languages.
2. They are UG constrained. There are different hypotheses about whether the SL learner has full access or partial access to UG.

Learners might not be able to reset parameters; therefore, they operate with first language settings for some parts of the new language.

🔑 Definition — Parameter resetting: The process by which a learner adjusts the settings of UG parameters from their L1 value to the L2 value.

Evaluation of UG: Scope

Scope and Achievements of Universal Grammar (UG):

1. UG theory aims to describe and explain human language.
2. It is nonetheless directly relevant to the study of SL.
3. It is a linguistic theory, not a learning theory.
4. It has been hugely influential in drawing up sophisticated hypotheses regarding SLA.
5. It helps explore the interplay between first and second language learners and facilitates understanding of the linguistic knowledge learners bring to SLA.
6. It is primarily concerned with the description and explanation of the formal system underlying language.
7. Its scope does not include a theory of processing or learning.
8. UG is more of a property theory and not a transition theory — it must be evaluated as such.

🔑 Definition — Property theory: A theory that describes and explains the nature of linguistic knowledge (what is known).
Transition theory: A theory that explains how learners acquire that knowledge over time (how learning happens).

⭐ Key Takeaways

The most critical points from this lecture are that UG is a theory of innate, biologically triggered language faculty supported by Lenneberg's six criteria for biologically based behaviors. The principle of structure-dependency and the existence of functional categories are central to UG, and cross-linguistic variation arises from differences in which categories are realized, their features, and feature strength. For SLA, the key debate involves whether second language learners have full, partial, or no access to UG, particularly regarding parameter resetting from L1 to L2 settings. Finally, UG is a property theory (describing linguistic knowledge) not a transition theory (explaining learning processes), which limits but does not diminish its scope and influence in SLA research.

🧠 Quick Revision Questions

1. What are the six features Lenneberg identified for biologically triggered behaviors, and how do they apply to language acquisition?
2. Explain the principle of structure-dependency and why it is considered a universal property of language.
3. According to White, what are the three potential sources of cross-linguistic variation relating to functional categories? Provide an example for each.
4. What are the two main logical possibilities regarding whether UG constrains second language learning, and what does "parameter resetting" mean in this context?
5. Why is UG described as a "property theory" rather than a "transition theory," and what are the implications of this distinction for SLA research?

📘 Lecture 12 — Evaluations of Universal Grammar and Cognitive Approaches

📖 Overview: This lecture critically evaluates the Universal Grammar (UG) approach to second language acquisition, examining its view of language, language acquisition, and the language learner. It then introduces Cognitive Approaches to SLL, contrasting them with UG and outlining two main sub-approaches: Processing Theorists and Emergentist/Constructionist perspectives.

🗂️ Topics Covered

The lecture begins by evaluating the Universal Grammar (UG) approach across three dimensions: its view of language, its view of language acquisition, and its view of the language learner. It then introduces Cognitive Approaches to second language learning, explaining their focus on learning processes and the learner as an individual. Finally, the lecture distinguishes between two main cognitive approaches: Processing Theorists, who develop transition theories, and Emergentist/Constructionist approaches, which reject the separation of property and transition theories and explain language through general cognition principles.

📝 Lecture Summary

Evaluation of Universal Grammar (UG): View of Language

The UG view of language has been very influential since the 1950s but remains controversial. UG approaches language as a mental framework underlying all human languages, focusing on the sentence and its internal structure rather than larger units of language. It studies languages clinically and “in a vacuum” as a mental object, not a social or psychological one. UG rigidly separates language knowledge from language use. Its methodologies are criticized for not representing reality, as it is preoccupied with modeling linguistic competence and not concerned with naturalistic performance.

🔑 Definition — Universal Grammar (UG): A mental framework underlying all human languages, studied as a mental object separate from social or psychological contexts. 📐 Formula: UG = mental framework → clinical study of sentence structure → focus on competence, not performance 📌 Example: UG theorists study the internal structure of sentences (e.g., syntactic rules) but ignore how learners use language in real-world conversation; they rely on native speaker judgments, which have been criticized for lack of reliability.

💡 Why this matters: UG’s narrow focus on competence allows for well-defined hypotheses but ignores social and psychological variables central to understanding SLA.

Evaluation of UG: View of Language Acquisition

UG theorists are exclusively concerned with documenting and explaining the nature of the second language (SL) linguistic system. They ignore social and psychological variables in acquisition. Recent UG work has addressed criticisms of unreliability in SL judgments by using a range of elicitation techniques. However, UG has left many central areas of SLA untouched. Despite these limitations, UG has been very useful for linguistic analysis, facilitating well-defined and focused hypotheses that help establish and explain facts about SLA.

🔑 Definition — Elicitation techniques: Methods used to collect language data from learners, addressing earlier criticisms of unreliable native speaker judgments. 📐 Formula: UG research = focus on linguistic system + elicitation techniques → well-defined hypotheses about SLA facts 📌 Example: To study how learners acquire English question formation, a UG researcher might ask learners to judge grammaticality of sentences, rather than observing natural conversation.

Evaluation of UG: View of Language Learner

The UG approach views the learner solely as a processor of a mind that contains language. Variations among individuals are of little concern. The primary emphasis is on language as the object of study and on what is universal within the mind. UG makes clear and explicit statements about the ground it aims to cover and the claims it makes. It has systematic procedures for theory evaluation and both explains and describes at least some language phenomena. UG increasingly engages with other theories in the field.

🔑 Definition — Theory evaluation: Systematic procedures used by UG researchers to test and refine their claims about universal linguistic properties. 📐 Formula: UG view of learner = mind containing language → focus on universals → systematic theory evaluation 📌 Example: A UG researcher studying Japanese learners of English would focus on universal syntactic constraints (e.g., subjacency) rather than individual differences in motivation or learning style.

Cognitive Approaches to SLL: Introduction

Cognitive Approaches to second language learning place more emphasis on the learning component of SLL and focus on transition theories—how learners move from one stage of knowledge to another. The focus is on the learner as an individual. Cognitive theorists are interested in how the human brain processes and learns new information. While UG theorists were interested primarily in competence and not in how learners access linguistic knowledge in real time, these are central issues for cognitive theorists (i.e., what strategies are employed when an incomplete linguistic system lets the learner down?).

🔑 Definition — Transition theories: Theories concerned with how learners progress from one stage of linguistic knowledge to another over time. 📐 Formula: Cognitive approach = focus on learning component + transition theories → how brain processes new information in real time 📌 Example: A cognitive researcher might study how a beginner Spanish learner uses memory strategies to recall vocabulary during a conversation, rather than just analyzing the structure of their sentences.

Cognitive Approaches: Variations

There are two main approaches within Cognitive theories of SLA:

1. Processing Theorists: These researchers believe language knowledge might be “special” in some way, but they focus on developing transition or processing theories to complement property theories (which describe the nature of knowledge). Processing approaches investigate how the second language learner processes linguistic information and how this ability develops over time.

2. Emergentist/Constructionist: These theorists do not consider the separation between property and transition theories as legitimate. They believe that both the nature of knowledge and how it is processed can be explained through general cognition principles. Constructivists believe that the complexity of language emerges from associative learning processes when exposed to a complex environment. Many claim that language develops as learners move from learning exemplars (memorized chunks) to making more abstract generalizations as their database of related utterances grows.

🔑 Definition — Processing Theorists: Cognitive researchers who develop theories about how learners process linguistic information in real time, complementing property theories. 🔑 Definition — Emergentist/Constructionist: Theorists who reject the distinction between property and transition theories, arguing that both emerge from general cognition through associative learning.

📐 Formula:
Processing Theorists = special language knowledge + transition theories → real-time processing
Emergentists = no separation between property/transition + general cognition → learning via exemplars → abstraction

📌 Example: A Processing Theorist might study how a learner processes English past tense “-ed” rules during speech. An Emergentist would argue that the learner first memorizes many past tense forms (e.g., “walked,” “played”) and only later induces the “-ed” rule from these exemplars.

⭐ Key Takeaways

For the exam, you must remember that the UG approach views language as a mental framework focused on competence at the sentence level, separating knowledge from use, and ignoring social/psychological variables—though it is valuable for generating well-defined hypotheses. Cognitive approaches shift focus to the learner as an individual and to transition theories about how the brain processes new information. Within cognitive approaches, Processing Theorists maintain a distinction between property and transition theories, while Emergentists reject this separation, arguing language emerges from associative learning of exemplars. You should be able to state the criticisms of UG (clinical study, lack of reliability in judgments, ignoring performance) and its strengths (systematic theory evaluation, clear claims). Finally, know the key difference: UG studies what is universal in the mind, while cognitive approaches study how individual learners process and learn language.

🧠 Quick Revision Questions

1. What are the three main criticisms of the Universal Grammar approach’s view of language?
2. How do Processing Theorists differ from Emergentist/Constructionist theorists in their view of the relationship between property and transition theories?
3. According to the lecture, what is the primary focus of the UG approach: language competence or language performance?
4. What does the Emergentist/Constructionist approach mean when it says language “emerges from associative learning processes”?
5. Why has UG been described as “very useful for linguistic analysis” despite its limitations in explaining SLA?

📘 Lecture 13 — Models of Second Language Learning

📖 Overview: This lecture explores processing approaches to second language acquisition, focusing on how the brain's cognitive mechanisms handle second language information. It examines two major information processing models—McLaughlin's model and Anderson's ACT* model—which explain how learners move from controlled to automatic processing through practice and restructuring. Understanding these models is crucial for comprehending why some aspects of language become fossilized and how skill acquisition progresses.

🗂️ Topics Covered

The lecture covers processing approaches in second language learning, including information processing approach and processability theory. It then delves into two specific information processing models: McLaughlin's Information Processing Model (1987, 1990) and Anderson's Active Control of Thought (ACT*) Model (1983, 1985). Key concepts discussed include automatization, controlled versus automatic processing, restructuring, fossilization, declarative and procedural knowledge, and the three stages of skill acquisition in Anderson's model.

📝 Lecture Summary

Processing Approaches; Information Processing Models of Second Language Learning

Processing approaches examine how the brain's processing mechanism deals with second language learning. These include: 1) the information processing approach, which investigates how different memory stores (short-term memory, long-term memory) handle second language information and how this information becomes automatized and restructured; and 2) processability theory, which looks more specifically at processing demands made by various formal aspects of second language, and implications for learnability and teachability of second language structure. Two information processing models are discussed in this lecture: McLaughlin's model and Anderson's ACT* model.

💡 Why this matters: These models provide a cognitive framework for understanding why language learning requires practice and why some errors persist despite extensive exposure.

McLaughlin’s Model

In McLaughlin's model, humans are viewed as autonomous and active. The mind is a general-purpose, symbol processing system. Complex behaviour is composed of simpler modular processes; processes take time so predictions about reaction time can be made. The mind is viewed as a limited-capacity processor.

Within this framework, second language learning is viewed as acquisition of a complex cognitive skill. To learn a second language is to learn a skill because various aspects of the task must be practiced and integrated into fluent performance. This requires automatization of component sub-skills. Automatization means that learning involves a shift from controlled toward automatic processing via practice. It results in constant restructuring of the linguistic system of the second language learner. When a second language learner seems unable to get rid of non-native-like structure despite abundant linguistic input over many years, it is called fossilization. In this model, fossilization would arise as a result of a controlled process becoming automatic prematurely.

🔑 Definition — Automatization: Learning involves a shift from controlled toward automatic processing via practice, resulting in constant restructuring of the linguistic system. 🔑 Definition — Fossilization: When a second language learner seems unable to get rid of non-native-like structure despite abundant linguistic input over many years; arises when a controlled process becomes automatic prematurely.

Processing Approaches: Anderson’s Model

Anderson's Active Control of Thought (ACT) model* is more wide-ranging, and the terminology is different but practice leading to automatization also plays a central role. It enables declarative knowledge. Anderson posits three kinds of memory: a working memory, a declarative long-term memory, and a procedural long-term memory. This model has been criticized for insisting that all knowledge starts out in declarative form, which is clearly problematic in the case of first language learners, as Anderson has accepted in answering to the criticism. Anderson's model is a general cognitive model of skill acquisition. It can be applied to those aspects of second language learning that require proceduralization and automatization.

🔑 Definition — Declarative knowledge: Knowledge that starts out in declarative form; knowledge about facts and things. 🔑 Definition — Proceduralization: The process of converting declarative knowledge into procedural knowledge, enabling skilled performance.

Anderson’s Model: Three Stages

According to Anderson, the move from declarative to procedural knowledge takes place in three stages:

1. The cognitive stage: a description of the procedure is learnt.
2. The associative stage: a method for performing the skill is worked out.
3. The autonomous stage: the skill becomes more and more rapid and automatic.

📌 Example of the Three Stages in Language Learning: In the cognitive stage, a learner learns the grammatical rule for forming past tense verbs (e.g., "add -ed to the base form"). In the associative stage, the learner practices applying this rule, working out methods to remember exceptions (e.g., "go" becomes "went," not "goed"). In the autonomous stage, the learner can fluently and automatically use past tense forms without consciously thinking about the rule.

💡 Why this matters: These three stages explain why language learning initially requires conscious effort and attention, but eventually becomes automatic and effortless with sufficient practice.

⭐ Key Takeaways

The lecture presents two major cognitive models explaining how second language learning occurs through processing mechanisms. McLaughlin's model emphasizes the shift from controlled to automatic processing through practice, where fossilization occurs when controlled processes become automatic prematurely. Anderson's ACT* model describes the progression from declarative to procedural knowledge through three stages: cognitive, associative, and autonomous. Both models highlight the central role of practice and automatization in skill acquisition. The key distinction is that Anderson insists all knowledge starts in declarative form, a claim criticized for first language acquisition. Understanding these models helps explain why language learning requires time, practice, and why some errors persist despite extensive exposure.

🧠 Quick Revision Questions

1. What is the difference between controlled processing and automatic processing in McLaughlin's model?
2. How does fossilization occur according to McLaughlin's information processing model?
3. What are the three kinds of memory posited in Anderson's ACT* model?
4. Name and briefly describe the three stages of skill acquisition in Anderson's model.
5. What criticism has been leveled against Anderson's ACT* model regarding the nature of knowledge?

📘 Lecture 14 — Learning Strategies and Second Language Learning

📖 Overview: This lecture explores the application of Anderson's ACT* cognitive theory to second language learning, focusing on how learning strategies can be understood as complex cognitive skills. It examines the three stages of skill acquisition—cognitive, associative, and autonomous—and discusses how learning strategies, classified into metacognitive, cognitive, and social/affective categories, can be taught and proceduralized to enhance language learning.

🗂️ Topics Covered

The lecture covers explanations of learning offered by ACT* theory, including its three stages (cognitive, associative, autonomous) illustrated with a grammar example; a critique of Anderson's position that second language grammar is initially learned through conscious study; the classification of learning strategies into metacognitive, cognitive, and social/affective categories; the benefits of applying cognitive theory to second language acquisition; and the application of ACT* to fluency development, including Towell and Hawkins' perspective on combining Universal Grammar with information-processing models.

📝 Lecture Summary

Explanations of Learning Offered

Anderson's ACT* model proposes that complex cognitive skills, including language learning, develop through three distinct stages. At the cognitive stage, learners acquire declarative knowledge—facts and information about the skill. At the associative stage, this declarative knowledge is converted into procedural knowledge through practice and application. At the autonomous stage, the skill becomes increasingly automatic and rapid, requiring less conscious effort.

🔑 Definition — Cognitive Stage: The initial learning phase where learners acquire factual knowledge (declarative knowledge) about a skill, such as grammar rules.
📌 Example: A learner at the cognitive stage learns that an -s must be added to the verb after a third person singular subject.

🔑 Definition — Associative Stage: The phase where learners practice applying declarative knowledge, working out how to perform the skill in context, and forming associations between actions and knowledge.
📌 Example: At the associative stage, the learner works out how to add an -s when the context requires it, learning to associate the action with the corresponding declarative knowledge.

🔑 Definition — Autonomous Stage: The final phase where the skill becomes automatic and rapid, and the original declarative knowledge may even be lost from conscious awareness.
📌 Example: At the autonomous stage, the learner's action of adding -s becomes increasingly automatic, performed without conscious thought.

💡 Why this matters: These stages explain why language learners progress from slow, rule-based production to fluent, effortless performance.

Critique

Contemporary second language learning theorists disagree with Anderson's implied position that second language grammar is initially learned through conscious study and application of explicit rules. There is consensus that much grammar learning takes place without conscious awareness. Some information-processing theorists have responded by suggesting that the declarative knowledge component can be subdivided into conscious and unconscious parts. Others argue that information-processing models are most helpful in explaining more peripheral strands in second language learning.

Application of ACT* to Learning Strategies

O'Malley and Chamot (1990) suggest that learning strategies are procedures undertaken by learners to make their language learning as effective as possible. Learning strategies must not be confused with communication strategies; they do overlap but differ in focus. Learning strategies facilitate learning, whereas communication strategies help overcome a specific communicative problem.

🔑 Definition — Learning Strategies: Procedures undertaken by learners to make their language learning as effective as possible. They facilitate the learning process itself.

Classification of Learning Strategies

Learning strategies can be classified into three categories:

1. Metacognition strategies: These involve selective attention, planning, monitoring, and evaluation.
2. Cognitive strategies: These include rehearsal, organization, inferencing, summarizing, deducing, imagery, transfer, and elaboration.
3. Social or affective strategies: These involve co-operation, questioning for clarification, and self-talk.

Learning Strategies and Second Language Learning

Learning strategies are complex procedures applied to tasks; they may be represented as procedural knowledge, acquired through cognitive, associative, and autonomous stages of learning. The strategies may be conscious in early stages of learning and later be performed without the person's awareness. Thus, these have to be learned in exactly the same way as other complex cognitive skills. Before a skill is proceduralized, it will have to compete for working memory space with other aspects of the task in hand. If learning strategies are a skill, then they can be taught and get proceduralized more quickly, freeing working memory space for other aspects of learning.

🔑 Definition — Proceduralized: The process by which declarative knowledge (knowing that) is converted into procedural knowledge (knowing how), making performance automatic and freeing up working memory.
💡 Why this matters: Teaching learning strategies can accelerate proceduralization, freeing cognitive resources for other aspects of language processing.

Benefits of Cognitive Theory Application to SLL

General benefits of applying cognitive theory to second language acquisition are as follows:

• Learning is an active and dynamic process in which individuals make use of a variety of information and strategic modes of processing.
• Language is a complex cognitive skill in terms of how information is stored and learned.
• Learning a language entails a stage-wise progression from initial awareness, active manipulation of information and learning processes to full automaticity in language use.
• Learning strategies parallel theoretically derived cognitive processes and have the potential to influence learning outcomes in a positive manner.

ACT* and Fluency Development in Second Language Acquisition

Towell and Hawkins reject the idea that Anderson's model can account for all aspects of second language learning. They use models of natural language processing in order to explain how grammatical knowledge transforms into fluent performance in second language. To explain why certain grammatical structures appear before others and why learners go through rigid stages in acquisition of second language, they resort to Universal Grammar approach. To understand how learners use this grammatical knowledge in increasingly efficient ways, Towell and Hawkins appeal to an information-processing account.

⭐ Key Takeaways

The ACT* model's three stages—cognitive, associative, and autonomous—explain how language skills develop from conscious rule application to automatic performance. Learning strategies are complex cognitive skills that can be classified into metacognitive, cognitive, and social/affective categories, and teaching these strategies can accelerate proceduralization, freeing working memory. While ACT* provides a useful framework for understanding fluency development, theorists like Towell and Hawkins argue it cannot account for all aspects of second language acquisition, requiring integration with Universal Grammar for explaining developmental sequences. The cognitive theory approach emphasizes that language is an active, dynamic process progressing from initial awareness to full automaticity.

🧠 Quick Revision Questions

1. What are the three stages of skill acquisition in Anderson's ACT* model, and what happens in each stage regarding the use of declarative knowledge?
2. Why do contemporary SLL theorists disagree with Anderson's position that second language grammar is initially learned through conscious study of explicit rules?
3. What is the difference between learning strategies and communication strategies?
4. Name the three categories of learning strategies as classified by O'Malley and Chamot, and provide one example from each category.
5. How do Towell and Hawkins combine Universal Grammar and information-processing accounts to explain fluency development in second language acquisition?

📘 Lecture 15 — Theories of Second Language Processing and Connectionism

📖 Overview: This lecture explores two major theoretical frameworks for understanding how second language learners process linguistic input: Processability Theory and the Perceptual Saliency approach. It also introduces Connectionism, a computational model of learning that fundamentally challenges rule-based accounts of language acquisition by proposing that learning occurs through associative pattern recognition in neural networks.

🗂️ Topics Covered

The lecture covers Processability Theory and its focus on the gradual acquisition of computational mechanisms for processing grammatical information, the Teachability Hypothesis derived from Processability Theory which predicts that instruction cannot skip developmental stages, the Perceptual Saliency approach and Slobin's operating principles, and finally Connectionism (parallel distributed processing) which views learning as the strengthening of connections in neural networks through repeated activation rather than the construction of abstract rules.

📝 Lecture Summary

Theories of Second Language Processing; Processability Theory; Teachability Hypothesis

The next two theories discussed focus on factors controlling how SL learners process linguistic input: Processability Theory and Perceptual Saliency approach.

Processability Theory, outlined by Pienemann, aims to clarify how learners acquire computational mechanisms that operate on the linguistic knowledge they construct. It claims that we need both a theory of grammar and a processing component to understand SLA. It focuses on the acquisition of the procedural skills required for processing the formal properties of second languages. Pienemann believes that language learning is the gradual acquisition of computational mechanisms. Limitations in processing skills in the early stage of learning prevent learners from attending to some aspects of SL. The processing challenge within this framework is that learners must learn to exchange grammatical information across elements of a sentence.

🔑 Definition — Processability Theory: A theory by Pienemann stating that SLA involves the gradual acquisition of computational mechanisms needed to process grammatical information across sentence elements.

Pienemann's Processability Theory explains that SL learners follow a fairly rigid route while acquiring certain grammatical structures. It implies that structures only become 'learnable' when previous steps on this acquisitional path have been acquired. According to Pienemann, learners can only operate within their Hypothesis space, constrained by available processing resources. This led him to develop the "teachability hypothesis", which considers the pedagogical implications of the learnability or processability model. It predicts:

• Stages of acquisition cannot be skipped through formal instruction
• Instruction will be beneficial if it focuses on structures from 'the next stage'

🔑 Definition — Teachability Hypothesis: Pienemann's hypothesis stating that instruction is only effective when it targets structures that are at the learner's next developmental stage and that stages cannot be skipped through teaching.

💡 Why this matters: The most interesting aspect of the Teachability Hypothesis is its attempt to establish a direct, testable link between learning and teaching, with clear practical implications for curriculum design and classroom instruction.

📌 Example: If a learner is at Stage 2 of acquiring English negation (e.g., "no go"), instruction on Stage 4 structures (e.g., "I didn't go") would be ineffective. Only instruction on Stage 3 structures (e.g., "I don't go") would be beneficial, as that represents "the next stage."

The Perceptual Saliency approach

The Perceptual Saliency approach argues that human beings perceive and organize information in certain ways, and it is perceptual saliency of linguistic information that drives the learning process forward, rather than an innate language-specific module. We find similarity in linguistic development across children and across languages because human beings are programmed to perceive and organize information in a certain way. Slobin (1979) has devised operating principles which guide children in their processing of the linguistic strings which they encounter. These principles are based on the claim that certain linguistic forms are more 'accessible' or more 'salient' to children than others.

🔑 Definition — Perceptual Saliency: The principle that certain linguistic forms are more noticeable and accessible to learners due to how humans naturally perceive and organize information, driving acquisition without requiring an innate language-specific module.

The operating principles are as follows:

1. Pay attention to the end of words
2. Linguistic elements encode relations between words
3. Avoid exceptions
4. Underlying semantic relations should be marked overtly and clearly
5. Use of grammatical markers should make semantic sense

📌 Example: A child learning English will more readily acquire the plural "-s" (which appears at the end of words, following Principle 1) than the irregular plural "men" (which violates Principle 3: avoid exceptions). Similarly, the past tense "-ed" follows Principles 1 and 5 more clearly than irregular forms like "went" or "ran."

Connectionism; Connectionist Approach Difference from Other Approach

Connectionism (or parallel distributed processing) has been given new life by advances in computer technology. It likens the brain to a computer consisting of neural networks — complex clusters of links between information nodes. These links or connections become strengthened or weakened through activation or non-activation. Learning in this view occurs on the basis of associative process rather than the construction of abstract rules. It claims that learners are sensitive to regularities in the language input and extract probabilistic patterns on the basis of these regularities. Learning occurs as these patterns become strengthened or weakened through repeated activation or non-activation.

🔑 Definition — Connectionism: A theory of language acquisition that views learning as the strengthening of connections between information nodes in neural networks through repeated activation, based on associative processes rather than the construction of abstract rules.

Connectionism strikingly differs from other approaches as it does not believe that the learning of rules underlies the construction of linguistic knowledge — rather, it happens through associative process. According to connectionists, learning is not rule-governed. Connectionism is seen as an alternative to symbolic accounts of language acquisition. It is a transition theory that explains how associative patterns emerge in learners.

🔑 Definition — Neural networks: Complex clusters of links between information nodes in the brain where connections become strengthened or weakened through activation or non-activation.

📌 Example: A child learning the past tense in English does not first learn the rule "add -ed." Instead, through repeated exposure to "walk-walked," "play-played," "talk-talked," the connection between the base form and the past tense form becomes strengthened. With enough activation, the network generalizes this pattern to new verbs. However, frequently encountered irregular forms like "go-went" also have strong connections, explaining why learners sometimes produce both "goed" and "went."

💡 Why this matters: Connectionism fundamentally challenges all rule-based theories (including Universal Grammar, Processability Theory, and Monitor Theory) by proposing that what looks like rule-governed behavior is actually the result of statistical pattern extraction from input. This shift has major implications for whether we should explicitly teach grammar rules or simply provide rich, patterned input.

⭐ Key Takeaways

The most critical thing to remember is that Processability Theory by Pienemann proposes a rigid developmental route for grammatical structures, leading to the Teachability Hypothesis that instruction cannot skip stages and is only effective at the next stage. The Perceptual Saliency approach by Slobin explains cross-linguistic developmental similarities through operating principles based on how humans naturally perceive and organize linguistic information, emphasizing salience over innate modules. Connectionism radically differs from all other approaches by rejecting rule-based learning entirely, proposing instead that acquisition occurs through associative processes where neural connections strengthen or weaken through repeated activation. For exams, remember the six operating principles of Slobin, the two predictions of the Teachability Hypothesis, and the core distinction that connectionism sees learning as probabilistic pattern extraction rather than rule construction. Finally, understand that connectionism is a transition theory that explains how associative patterns emerge, making it a computational alternative to symbolic accounts of language acquisition.

🧠 Quick Revision Questions

1. What are the two key predictions of Pienemann's Teachability Hypothesis, and what practical implications do they have for language instruction?
2. List Slobin's five operating principles for processing linguistic strings, and explain which principle accounts for children's preference for regular grammatical markers over irregular ones.
3. How does Connectionism's view of learning differ fundamentally from rule-based approaches like Processability Theory or Universal Grammar?
4. According to Processability Theory, what is the main processing challenge that SL learners face, and why does this create a rigid developmental route?
5. In what way does Connectionism function as a "transition theory," and what does it mean that learning in this framework is "not rule-governed"?

📘 Lecture 16 — Evaluation of Cognitive Approaches and Functional Perspectives

📖 Overview: This lecture critically evaluates cognitive approaches to second language acquisition, examining their scope, achievements, and limitations. It then introduces functional/pragmatic perspectives, which prioritize meaning-making and communicative goals as driving forces in language development. Understanding these contrasting frameworks is essential for comprehending how different theoretical lenses shape our view of the SLA process.

🗂️ Topics Covered

This lecture covers the evaluation of cognitive approaches to second language learning, including their scope and achievements, the cognitivists' view of language, language learning, and the language learner. It also introduces functional/pragmatic perspectives on second language learning and functional perspectives on first language development, examining how meaning-making interacts with grammatical development.

📝 Lecture Summary

Evaluation of Cognitive Approaches to Second Language Learning: Scope and Achievements

The scope of cognitivists' research varies widely. Some apply general models of language processing or use computers to simulate acquisition of discrete grammatical phenomena. Some cognitivists focus specifically on processing mechanisms and how they develop in SLL, believing they also need a property theory to understand the linguistic system, which will complement their transition theory. Others, adopting an emergentist or connectionist approach, see their field as the whole process of language learning and do not separate the development of processing from development of the linguistic system.

Processing theorists do not say much about language itself; they concentrate on the study of processing constraints operating in SLA. In contrast, connectionists believe that our mind is predisposed to look for associations between elements and create neural links between them. They see language as a set of probabilistic patterns that gets strengthened in the learner's brain through repeated activation. They rely on controlled laboratory research involving experiments with artificial language or small fragments of real languages. However, this controlled nature can be seen as a disadvantage.

Overall, connectionist models are often criticized for their clinical and fragmentary view of language, ignoring social and linguistic phenomena. They are unable to explain what the mental grammar of the learner consists of and what constrains learners' hypotheses about the language system. The developmental route of SLL and the acquisition of highly complex linguistic phenomena are not yet convincingly explained by these approaches.

💡 Why this matters: The distinction between processing theories and connectionist theories represents a fundamental divide in how cognitive scientists view the relationship between language processing and linguistic knowledge.

Evaluation: Cognitivists' View of Language

Cognitivists primarily investigate the development of processing in SL learners. To do so, psychologists use laboratory techniques to measure accurately performance indicators, while linguists apply linguistic analysis techniques to study SL learners' productions or intuitions. Both methodologies have their advantages and disadvantages. The ultimate goal of any SLA model is a better understanding of the SLA process overall. This goal is much enriched by cognitive studies. These studies have also enlightened us on the processes involved in speeding up the acquisition process.

Evaluation: Cognitivists' View of Language Learning

Connectionists are primarily concerned with the individual; they do not see the learner as a social being. They are interested in the mind as a processor of information rather than in the specificity of the linguistic information it contains. The link they build up with neurology and neurobiology is also important.

The advantages of these models over traditional symbolic models are: a. They are neurally inspired. b. They incorporate distributed representation and control of information. c. They are data-driven with prototypical representations. d. They show graceful degradation as do humans with language disorders. e. They are models of learning and acquisition rather than static description.

Cognitivists' View of the Language Learner

This section is integrated within the preceding evaluation, describing the learner as an information processor rather than a social being. Connectionists focus on the individual mind and its neural associations, with the learner's brain strengthening probabilistic patterns through repeated activation.

Functional/Pragmatic Perspectives on Second Language Learning

Researchers who adopt this approach are centrally concerned with the ways in which SL learners set about making meaning and achieving their personal communicative goals. They emphasize the importance of learners' speech acts and how they exploit immediate social, physical, and discourse context to make meaning. They argue that the meaning-making efforts are a driving force in ongoing second language development that interacts with the development of formal grammatical systems.

Functional Perspectives on First Language Development

Functionalism in linguistics is the explication and explanation of grammatical structure in which semantic and pragmatic constructs are integral. This perspective emphasizes that grammatical forms are shaped by their communicative functions, and that understanding how learners make meaning is essential for explaining language development.

⭐ Key Takeaways

The cognitive approaches to SLA are divided between processing theorists, who focus on processing constraints, and connectionists, who see language as probabilistic neural patterns strengthened through repeated activation. While connectionist models are neurally inspired and show graceful degradation like human language disorders, they are criticized for ignoring social and linguistic phenomena and for failing to explain complex linguistic acquisition. In contrast, functional/pragmatic perspectives view meaning-making and achieving communicative goals as the driving force in language development, arguing that grammatical systems develop interactively with these communicative efforts. Students must remember that functionalism explains grammatical structure through semantic and pragmatic constructs, making it fundamentally different from cognitive approaches that prioritize information processing over social communication.

🧠 Quick Revision Questions

1. What is the main difference between processing theorists and connectionists in their approach to SLA?
2. What are the five advantages of connectionist models over traditional symbolic models?
3. Why are connectionist models criticized for their view of language learning?
4. What is the central concern of researchers adopting functional/pragmatic perspectives on second language learning?
5. According to functionalism, how are semantic and pragmatic constructs related to grammatical structure?

📘 Lecture 17 — Cognitive, Textual, Social Orientations and Functionalism

📖 Overview: This lecture explores three key functionalist orientations in second language acquisition: cognitive, textual, and social. It examines how functionalism views language development as driven by communicative needs and evaluates the scope, achievements, and limitations of this tradition in understanding inter-language development.

🗂️ Topics Covered

The lecture covers cognitive orientation exemplified by Slobin's "basic child grammar" and agent-object encoding; textual orientation focusing on discourse organization and cohesion; social orientation examining the relationship between language development and social context; multifunctional orientation integrating all three perspectives; evaluation of functionalism's scope and achievements in SLA; and functionalism's contribution to understanding the nature of inter-language communication.

📝 Lecture Summary

Cognitive, Textual, Social Orientations and Functionalism

The functional approaches in SLA pay attention respectively to the relations between grammatical development and prototype events, between grammar, pragmatics and text organization, and between grammar and the social world. The functional tradition is well established in SLA theory, claiming that language development is driven by pragmatic communicative needs and that the formal resources of language are elaborated to express more complex patterns of meaning. Functionalist research typically takes the form of naturalistic case studies, mostly of adults in early stages of SLA, offering rich accounts of both rate and route of naturalistic SLA.

These studies vary in their scope of enquiries. Some adopted a "patch approach," studying evolution of forms or development of SL within "time" or "space" domain. Others proposed an SL "basic variety" that represents a proto-grammar stage that all learners should pass through.

💡 Why this matters: Understanding functionalist orientations helps explain how learners communicate meaning before mastering formal grammar.

Cognitive Orientation

Cognitive orientation can be exemplified by the work of Slobin (1985) that proposed the existence of 'basic child grammar' in which children construct their own form-function relationship to reflect a child's-eye view of the world. He suggested that one of the opening wedges for grammar is the linguistic encoding of a scene in which an agent brings about change of state in an object.

🔑 Definition — Basic Child Grammar: A concept proposed by Slobin where children construct their own form-function relationships that reflect a child's perspective of the world. 📐 Formula: Agent acts on object → change of state → linguistic encoding (Example: "boy breaks window" where "boy" is agent, "breaks" is action, "window" is object undergoing change)

Textual Orientation

In textual orientation, the central issue is to investigate the extent to which particular linguistic devices are employed to organize stretches of discourse intra-sententially as well as across broader stretches of text. At discourse level, functional linguists are interested in how both vocabulary and grammar are deployed to create textual cohesion across sequences of clauses and sentences.

🔑 Definition — Textual Cohesion: The way vocabulary and grammar are deployed to create connections across sequences of clauses and sentences in discourse.

Social Orientation

Functionalist research with social orientation is interested in the relationship between the development of a child's formal language system and aspects of their social world. Some of this work examines children's speech acts and their relationship with lexical or grammatical choices. Other work looks more broadly at the social context in which children interact and the types of speech events they are engaged in, seeking to link these influences to linguistic development.

🔑 Definition — Speech Acts: Utterances that perform an action (e.g., requesting, promising, commanding) and their relationship to lexical or grammatical choices.

Multifunctional Orientation

Multifunctional orientation integrates all three perspectives — cognitive, textual, and social — recognizing that language development simultaneously involves prototype events, text organization, pragmatic functions, and social context.

Evaluation: Scope and Achievements

The functionalist tradition has contributed to our understanding of inter-language communication and made interesting suggestions about interactions between formal and functional development. Functionalists have demonstrated various devices which inter-language users deploy to convey meaning. They have drawn attention to textual and discourse organization issues, and offered considerable evidence that early learners rely heavily on parataxis rather than on syntax.

🔑 Definition — Parataxis: The arrangement of clauses or phrases one after another without coordinating or subordinating conjunctions (e.g., "I came. I saw. I conquered." instead of "I came, I saw, and I conquered.")

Functionalism and the Nature of Inter-Language

A continuing limitation of the functionalist approach is that most attention is given to earliest stages of development. The range of target languages investigated is also not very wide. This means that while functionalism has provided rich insights into early SLA, its applicability to later stages and diverse languages remains limited.

⭐ Key Takeaways

Functionalism views language development as driven by communicative needs, with formal grammar emerging from pragmatic functions. The three orientations — cognitive (exemplified by Slobin's basic child grammar), textual (focusing on discourse cohesion), and social (examining speech acts and social context) — offer complementary perspectives on how learners construct inter-language systems. Functionalist research has demonstrated that early learners rely heavily on parataxis rather than syntax, and has provided rich case study evidence of both rate and route of naturalistic SLA. However, a major limitation is the narrow focus on earliest developmental stages and limited range of target languages investigated. The patch approach studying evolution of forms within time or space domains contrasts with the basic variety concept of a universal proto-grammar stage.

🧠 Quick Revision Questions

1. What is Slobin's "basic child grammar" and what does it propose about children's language development?
2. How do textual orientation and social orientation differ in their focus within functionalist research?
3. What does "parataxis" mean, and why is it significant for understanding early inter-language development?
4. What are two main limitations of the functionalist approach to SLA according to this lecture?
5. What is the difference between the "patch approach" and the "basic variety" approach in functionalist research?

📘 Lecture 18 — FUNCTIONALISM AND INTERACTION IN SECOND LANGUAGE LEARNING

📖 Overview: This lecture examines functionalist perspectives on second language acquisition, focusing on the gradual nature of interlanguage development and the role of communicative need. It then shifts to the interactionist approach, exploring how input, interaction, and output — particularly through negotiation of meaning and the Output Hypothesis — contribute to second language learning, with relevant comparisons to first language acquisition.

🗂️ Topics Covered

The lecture covers functionalism on language learning and development, the functionalist view of the language learner, input and interaction in second language learning, the significance of interaction in SLL, input and interaction in first language acquisition, and findings from CDS (child-directed speech) research relevant to SLL. It discusses the Input Hypothesis, Interaction Hypothesis, Output Hypothesis, and cross-cultural variation in caregiver speech.

📝 Lecture Summary

Functionalism on Language Learning and Development

Functionalist researchers insist on the gradual nature of Inter Language (IL) development and syntacticization, but with possible reorganizational consequences. Most functionalists have adopted a 'patch' approach — working on overall utterance structure when studying the basic variety or exploring development within semantic and formal sub-systems. They argue for a multi-level approach to analysis. While their contribution at the descriptive level has been very strong and varied, their contribution to explaining IL development is limited. It clearly shows how effective a basic variety can be in meeting immediate communication needs, but it is less clearly established that communicative need is the primary driver for syntacticization and development beyond the basic variety.

🔑 Definition — Inter Language (IL): the intermediate, evolving linguistic system that a second language learner constructs as they progress toward the target language. 🔑 Definition — Basic variety: the early, simplified stage of interlanguage that is efficient for immediate communication but lacks complex syntax and morphology. 📌 Example: A functionalist study might show a learner saying "Me go store yesterday" — functionally effective for communication, but lacking target-like syntax (auxiliary, past tense marking). Over time, the learner's IL syntacticizes to "I went to the store yesterday."

Functionalist View of the Language Learner

Functionalist research largely concentrates on analyzing learners' inter-language output and pays relatively less attention to input and even interaction. It has mostly concerned itself with naturalistic adult learners acquiring a socially dominant target language (TL) in the workplace and other non-domestic settings. It has conducted extensive comparative cross-language studies but has been mainly interested in discovering universal rather than language-specific characteristics of the learning process. Functionalist research on the emergence of SL has also concerned itself with instructed learners — these learners are seen as more successful in acquiring morphology. Though functionalists agree that instruction works by increasing acquisition rate and pushing along the acquisitional route, it does not explicitly explain the reason.

🔑 Definition — Naturalistic adult learners: adults who acquire the target language primarily through exposure and use in social/work environments, without formal instruction. 📌 Example: A functionalist might compare a Turkish immigrant learning German naturally at work versus an instructed learner in a classroom, finding the instructed learner acquires German case morphology faster, but both follow a similar developmental sequence.

Input and Interaction in Second Language Acquisition

The main focus here is directly on the role of environmental language use in promoting SLL in the form of input received by the SL learner, SL output produced by the learner, and SL interaction between learner and some other conversation partner. The 'interactionist' perspective mostly does not challenge the concepts of autonomous language module or cognitive mechanisms at work within the individual learner. The Input Hypothesis claims that comprehensive input is the only necessary condition for language learning to take place, provided that the learner pays attention to it. This is further directed toward the Interaction Hypothesis and Output Hypothesis. Interactions are not a simple one-directional source of target language input feeding into the learner's presumed internal acquisition device. Instead, when learners engage with their interlocutor in negotiations around meaning, input's nature might be qualitatively changed. The more input is queried, recycled, and paraphrased, the greater its potential usefulness as input becomes because it should become increasingly well-targeted to particular developmental needs.

🔑 Definition — Input Hypothesis: the claim that comprehensible input (language just beyond the learner's current level) is necessary and sufficient for language acquisition. 🔑 Definition — Interaction Hypothesis: the claim that interaction, especially negotiation of meaning, modifies input in ways that facilitate acquisition. 📌 Example: A learner says "I go store." The interlocutor asks, "You went to the store? When did you go?" This negotiation recycles and paraphrases the input, making it more comprehensible and highlighting the past tense form "went."

The Output Hypothesis

Merrill Swain's (1985, 1995) study with immersion students led her to question the claim that comprehensible SL input was sufficient to ensure inter-language development. So she advanced her claims called the 'Output Hypothesis.' Swain argued that students often succeed in comprehending second language (SL) text while only partly processing them. SL production (output) really forces learners to undertake complete grammatical processing. Thus, it drives forward most effectively the development of SL syntax and morphology.

🔑 Definition — Output Hypothesis: the claim that producing language (not just comprehending it) pushes learners to process grammar fully, promoting interlanguage development. 💡 Why this matters: This hypothesis challenges the sufficiency of the Input Hypothesis, arguing that comprehension can occur with partial processing, but production demands full syntactic and morphological processing.

Input and Interaction in First Language Acquisition

When we examine the role of input and interaction in first language acquisition, adults commonly use 'special' speech styles when talking with young children. This is called 'baby talk' or child-directed speech (CDS), which might be helpful to language acquisition. But such CDS has undergone criticism from UG theorists. For instance, Noam Chomsky described the notion that aspects of first language acquisition could be related to the input as 'absurd.' In turn, some child language specialists criticized parameter-setting models of acquisition as overly deterministic and ignoring substantial evidence of probabilistic learning from 'noisy' input. Interactionists such as Gallaway and Richard (1994) have pointed out the ways in which CDS might facilitate language acquisition. These include: managing attention, promoting positive affect, facilitating segmentation, feedback, correction models, reducing processing load, encouraging conversational participation, and explicit teaching of social routines. However, interactionists are cautious about any possible contribution of CDS to language acquisition.

🔑 Definition — Child-directed speech (CDS): the simplified, exaggerated speech style adults use when talking to young children. 🔑 Definition — Negative evidence: information that a learner's utterance is grammatically incorrect, often provided through recasts (repetitions with correction). 📌 Example: A child says, "I goed to the park." The parent responds, "Oh, you went to the park?" — This recast provides negative evidence without explicit correction.

Findings Relevant for SLL

Some clear findings from CDS research which are also relevant to SLL are:

1. Mostly CDS studies were carried out in English-speaking, middle-class family contexts in developed countries. In such contexts, CDS is typically semantically contingent (responsive to the child's meaning/focus). Also, explicit formal corrections of a child's production are unusual, but recasts are common, which offer useful negative evidence.
2. There is evidence for some specific claims about the relationship between particular formal characteristics of CDS and children's developing control of particular constructions. However, such relationships are complex and dependent on the precise developmental stage reached by the individual child.
3. Caretakers are neither motivated by any prime language-teaching goal nor is their speech adapted to model target grammar. Instead, it is derived from the communicative goal of engaging in conversation with a less competent partner, and sustaining and directing their attention.
4. Cross-cultural studies of interaction revealed that styles of CDS in middle-class Anglophone societies are far from universal. In some cultures, infants are not seen as conversational partners. These findings strongly challenge environmentalist explanations of language learning that finely tuned CDS is actually necessary.

📌 Example: In a Western middle-class home, a mother might say, "Look, a doggie! Can you say doggie?" — This is semantically contingent and uses recasts. In some non-Western cultures, adults may rarely speak directly to infants, yet children still acquire language, showing that finely tuned CDS is not universally necessary.

⭐ Key Takeaways

Functionalists emphasize the gradual, multi-level development of interlanguage, showing that the basic variety is effective for communication but syntacticization driven by communicative need is not fully explained. The Input Hypothesis claims comprehensible input is necessary and sufficient, but Swain's Output Hypothesis counters that production forces complete grammatical processing, driving SL syntax and morphology development. Interaction alters input through negotiation of meaning, making it more targeted to learner needs. CDS in L1 acquisition provides useful parallels — recasts offer negative evidence, but cross-cultural studies show finely tuned CDS is not universally necessary, challenging environmentalist claims. The key distinction is that input alone may support comprehension, but output and interaction are crucial for full syntactic development.

🧠 Quick Revision Questions

1. What is the functionalist view of interlanguage development, and why is the concept of "syntacticization" important?
2. According to the Input Hypothesis, what is the only necessary condition for language learning to take place?
3. How does the Output Hypothesis challenge the Input Hypothesis, and what evidence from immersion students supports it?
4. What are four ways in which child-directed speech (CDS) might facilitate first language acquisition, according to Gallaway and Richard (1994)?
5. What does cross-cultural research reveal about the universality of finely tuned CDS, and why does this challenge environmentalist explanations?

📘 Lecture 19 — Input and Interaction in Second Language Acquisition

📖 Overview: This lecture examines the role of input and interaction in second language acquisition, building on foundational theories such as Krashen's Input Hypothesis and Long's Interaction Hypothesis. It critically evaluates these models and explores how social interaction and comprehensible input facilitate language learning, making it essential for understanding modern SLA pedagogy.

🗂️ Topics Covered

The lecture covers an overview of input in SLA, Krashen's Input Hypothesis and its critique, the Interaction Hypothesis and other alternative psycholinguistic theories, and detailed discussion of interaction in SLA including Long's 'Interaction Hypothesis'. It also addresses cross-cultural perspectives on child-directed speech and the role of negotiation of meaning in language acquisition.

📝 Lecture Summary

An Overview of the Field; Input in Second Language Acquisition: Krashen's Input Hypothesis

In cultures where child directed speech (CDS) of the Western type is rare or absent, children's early utterances frequently include partial imitation and rote-learned segments. Cross-cultural study of child language development supports the idea that children will only learn to talk in an environment which they can make some sense of. On the other hand, they can learn to talk in a much wider variety of environments (Lieven, 1994). The normally developing child is well buffered against variation in the input. Buffering implies either a small amount of social support or any of several different environmental events (Snow, 1994). Researchers agree that multi-dimensional models of acquisition are necessary, and the way forward in clarifying how input and interaction may be facilitating language acquisition lies at present in close analysis.

🔑 Definition — Comprehensible input: Input that is both necessary and sufficient for second language learning to take place; language that the learner understands. 📐 Formula: Input → Understanding → Acquisition. Humans acquire language in only one way – by understanding or by receiving 'comprehensive input.' Speaking is a result of acquisition, not its cause. If input is understood and there is enough of it, the necessary grammar is automatically provided.

💡 Why this matters: This hypothesis fundamentally shapes how language teachers think about providing accessible yet challenging language material to learners.

Critique of Krashen’s Input Hypothesis

The Input hypothesis is supported by rather little empirical evidence and is not easily testable. The concepts of 'understanding' and 'noticing gap' are not clearly operationalized and constantly proposed. The processes whereby language in social context is analyzed and new elements are identified and processed by language acquisition device are imprecise.

🔑 Definition — Noticing gap: The cognitive awareness of the difference between one's current language production and target language forms, a concept criticized for lack of clear operationalization.

Research Traditions Inspired by Krashen

Among the research traditions that took inspiration from Krashen's proposals are:

1. The Interaction hypothesis
2. The Output hypothesis

Some alternative psycholinguistic theories and claims are:

3. Noticing hypothesis – emphasizes conscious awareness of linguistic features in input
4. Input processing hypothesis – focuses on how learners process input based on limited processing capacity
5. Autonomous induction hypothesis – proposes that acquisition is driven by innate mechanisms independent of explicit instruction

🔑 Definition — Output hypothesis: The proposal that producing language (speaking/writing) is not just a result of acquisition but an active part of it, pushing learners to process language more deeply.

Interaction in Second Language Acquisition

Various studies during the 1970s and 1980s demonstrated that the talk addressed to learners was typically grammatically regular but somewhat simplified linguistically. The degree of simplification reported in many descriptive studies was puzzlingly variable. Also, these studies stopped short at description of distinctive features of 'Foreigner Talk Discourse'. Long proposed a more systematic approach to linking features of environmental language and learners' second language. Long proposed his Interaction hypothesis as an extension of Krashen's original Input hypothesis.

Following on Long's original studies, many others used a similar taxonomy and taught us a good deal about the types of task that are likely to promote extensive negotiation of meaning, inside and outside the classroom. They also demonstrated that negotiation of meaning occurs between non-native speaker peers as well as between more fluent and less fluent speakers, given the right task conditions.

🔑 Definition — Foreigner Talk Discourse: Modified speech (simplified vocabulary, slower rate, clearer articulation) that native speakers use when addressing non-native speakers. 🔑 Definition — Negotiation of meaning: Interactive modification of speech between speakers to achieve mutual understanding, involving checks for comprehension, clarification requests, and repetition.

⭐ Key Takeaways

The Input Hypothesis claims comprehensible input is necessary and sufficient for acquisition, but empirical support is weak and concepts like 'understanding' and 'noticing gap' lack clear definition. Alternative models including the Interaction Hypothesis, Output Hypothesis, Noticing Hypothesis, and Input Processing Hypothesis offer more nuanced accounts. Interaction, especially negotiation of meaning, emerges as critical for driving acquisition in both NS-NNS and NNS-NNS dyads. Child-directed speech shows that learners are buffered against input variation, suggesting multiple paths to acquisition exist across cultures. Task type (e.g., requiring information exchange) crucially determines how much negotiation of meaning occurs.

🧠 Quick Revision Questions

1. What is Krashen's Input Hypothesis, and what does it claim about the relationship between comprehensible input and acquisition?
2. Why has Krashen's Input Hypothesis been criticized, particularly regarding the concepts of 'understanding' and 'noticing gap'?
3. How does Long's Interaction Hypothesis differ from Krashen's original Input Hypothesis?
4. What is 'negotiation of meaning,' and what kinds of tasks are most likely to promote it between learners?
5. What does cross-cultural research on child-directed speech say about the necessity of Western-style CDS for language acquisition?

📘 Lecture 20 — Consciousness Raising, Negative Feedback and Negative Evidence

📖 Overview: This lecture examines how conscious attention, corrective feedback, and negative evidence contribute to second language acquisition. It explores the reformulated Interaction Hypothesis, the Output Hypothesis, and the role of recasts and negative feedback in both first and second language learning contexts, addressing ongoing debates about whether negative evidence is necessary for language development.

🗂️ Topics Covered

The lecture covers noticing, consciousness raising and attention as learner-internal factors; Rethinking the Interaction Hypothesis with emphasis on selective attention; Output in Second Language Acquisition including Swain's three functions; Feedback, Recasts and Negative Evidence in First Language Acquisition with nativist perspectives; Negative Feedback and Recasts in child-directed speech; and Negative Feedback and Recasts in the Second Language Classroom based on observational studies by Lyster and colleagues.

📝 Lecture Summary

Noticing, Consciousness Raising and Attention; Rethinking the Interaction Hypothesis

Mackey's (1999) study provided the clearest evidence that taking part in interaction can facilitate second language development. However, somewhat contradictory findings showed a need for stronger theoretical models clarifying the claimed link between interaction and acquisition. Researchers appealed to add the ideas of noticing, consciousness-raising, and attention to acquisition models. Earlier interactionist research was criticized for being one-sidedly pre-occupied with functional aspects of SL interaction and neglecting linguistic theory.

Long's eventual reformulation of the Interaction Hypothesis places more emphasis on linking features of input and the linguistic environment with learner-internal factors and explaining how such linkages may facilitate subsequent language development. This new version highlights the possible contribution of negative evidence to SLL and clarifies the processes by which input becomes intake through introducing the notion of selective attention.

💡 Why this matters: This reformulation bridges the gap between external linguistic input and internal cognitive processing, providing a more complete theoretical framework for understanding how interaction leads to acquisition.

🔑 Definition — Interaction Hypothesis (reformulated): A theory proposing that features of input and the linguistic environment linked with learner-internal factors through selective attention facilitate subsequent language development.

🔑 Definition — Selective Attention: The cognitive process by which learners consciously focus on specific features of input, enabling input to become intake.

Output in Second Language Acquisition: Output Hypothesis

Many researchers consider output as necessary to increase fluency and emphasize practice. However, the Output Hypothesis by Swain (1985, 1995) goes beyond this "practice" function and proposes three further functions for learner output:

• The noticing/triggering function (consciousness-raising role)
• The hypothesis-testing function
• The metalinguistic function (reflective role)

Swain believes that the activity of producing target language may push the learner to become aware of gaps and problems in their current SL system, provide them with opportunities to reflect on, discuss and analyze problems explicitly, and offer opportunities to experiment with new structures and forms.

🔑 Definition — Output Hypothesis: A theory proposing that learner output serves not only for practice, but also triggers noticing of gaps, allows hypothesis testing, and enables metalinguistic reflection.

📐 Three Functions of Output:

1. Noticing/triggering → Learners become aware of what they cannot say
2. Hypothesis-testing → Learners try out new forms and structures
3. Metalinguistic → Learners reflect on and analyze language explicitly

Feedback, Recasts, and Negative Evidence in First Language Acquisition

These are increasingly important topics in debates. Theorists arguing for a strongly Innatist Model claimed that language is simply not learnable from normal input that provides positive evidence and lacks negative evidence. Without negative evidence, learners cannot discover the limits and boundaries of the language system. On the other hand, Nativists find the answer in some form of Universal Grammar to eliminate many possible generalizations about language structure that are compatible with the input received but are actually incorrect.

🔑 Definition — Positive Evidence: Input that shows what is grammatical in a language (e.g., actual utterances heard by the learner).

🔑 Definition — Negative Evidence: Information about what is ungrammatical or not possible in a language, either explicit (corrections) or implicit (e.g., recasts).

We previously saw that negative evidence is much more prevalent in child-directed speech. Caretakers' recasts offer implicit negative evidence about children's interim grammatical hypotheses. It remains still less clear whether negative evidence is necessary for the acquisition of core aspects of language or not.

🔑 Definition — Recast: A reformulation of a learner's erroneous utterance that preserves the original meaning while correcting the error (e.g., Child: "He goed there." Adult: "Yes, he went there.")

In light of the first language debate, related questions can be asked about the role of negative evidence in SLL, such as: To what extent does indirect negative evidence influence SL learners? And to what extent do they notice and make use of this evidence?

Oliver's (1995) study provided significant findings on these questions. It indicated that more than 60% of errors by non-native speaker children received negative feedback from their native speaker partners; the most frequent were negotiation of some kind. Recasts usually occurred in response to utterances containing single errors in association with particular types of grammar mistakes.

📌 Example — Oliver's (1995) findings: In interactions between native speaker and non-native speaker children, over 60% of errors triggered some form of negative feedback, with negotiation being the most common type. Recasts were specifically associated with utterances containing single grammatical errors.

Negative Feedback and Recasts in the Second Language Classroom

Further observational studies examined the occurrence and apparent effects of negative feedback in SL classrooms. For instance, Lyster and colleagues (1997) noted that recasts were the most common type of feedback. However, recasts were much less likely to lead to immediate self-correction by the students.

A further analysis reported that feedback provided by the teachers varied according to the type of error that had been made:

• Lexical errors → Teachers responded with negotiation (e.g., clarification requests)
• Grammatical errors → Teachers responded with recasts
• Phonological errors → Teachers responded with recasts

Recasts were seen as an effective strategy for phonological errors. However, recasting was much less effective for repair of grammatical mistakes. The study suggested that more interactive feedback modes would be more effective in pushing learners to amend their hypotheses about SL grammar as well as vocabulary.

📌 Example — Lyster (1997) classroom findings: A teacher might respond to a phonological error like "I tink" with a recast "I think" which effectively leads to repair. However, responding to a grammatical error like "He go to school" with the recast "He goes to school" was less likely to lead to student self-correction than using negotiation strategies like clarification requests.

⭐ Key Takeaways

The reformulated Interaction Hypothesis highlights selective attention as the mechanism linking input features to learner-internal factors, explaining how input becomes intake. Swain's Output Hypothesis proposes three crucial functions of output beyond practice: noticing gaps, testing hypotheses, and metalinguistic reflection. The debate over negative evidence remains unresolved in first language acquisition, though caretaker recasts provide implicit negative evidence. Oliver's study showed over 60% of child L2 errors receive negative feedback, primarily through negotiation. Lyster's classroom research revealed that while recasts are the most common feedback type, they are less effective for grammatical repair than more interactive modes like negotiation, suggesting teachers should vary feedback strategies according to error type.

🧠 Quick Revision Questions

1. What are the three functions of output proposed by Swain's Output Hypothesis, and how does each contribute to second language acquisition?

2. How does Long's reformulated Interaction Hypothesis differ from earlier versions, and what role does selective attention play in this reformulation?

3. According to the nativist perspective, why might negative evidence be necessary for language acquisition, and how does Universal Grammar offer an alternative explanation?

4. What did Oliver's (1995) study reveal about the frequency and types of negative feedback received by non-native speaker children during interaction?

5. Based on Lyster and colleagues' (1997) classroom research, why are recasts more effective for phonological errors than for grammatical errors, and what alternative feedback strategies might be more effective for grammar?

📘 Lecture 21 — Input Processing and Autonomous Induction Theory

📖 Overview: This lecture examines two major theoretical models that explain how second language input is converted into intake for learning: Bill Van Patten’s Input Processing theory and Suzanne Carroll’s Autonomous Induction theory. It also discusses the role of attention, noticing, and consciousness-raising in second language acquisition, providing a critical lens on interactionist research.

🗂️ Topics Covered

This lecture covers attention, consciousness-raising, and ‘Focus on Form’; theorizing input and interaction research; Input Processing theory including its principles and critique; and Autonomous Induction theory along with its critique. It explores how researchers have linked attention types—especially noticing—to the conversion of input to intake, and presents two contrasting models for explaining internal linguistic processing in SLA.

📝 Lecture Summary

Attention, Consciousness-raising and 'Focus on Form'

Researchers have developed the idea that the amount of attention may influence the extent to which SL input and interaction produce SL intake. Schmidt (1990, 1994, 2001) has been most influential in promoting this view. He distinguishes among different types of attention. He uses the term ‘noticing’ to refer to the process of bringing some stimulus into focal attention and registering its simple occurrence, whether voluntarily or involuntarily. He reserves the terms ‘understanding’ and ‘awareness’ for explicit knowledge: ‘awareness of a rule or generalization.’ Schmidt is optimistic about the contribution of both kinds of attention. His main evidence supports the significance of noticing. He originally argued that noticing is the necessary and sufficient condition for conversion of input to intake for learning; later, he modified this view to the claim that: more noticing leads to more learning.

The accuracy of recast reproduction depends on the following factors:

1. Learners’ language level
2. Length of the recast
3. Number of corrections

Theorizing Input and Interaction Research

Survey of input, output, and interaction research showed the descriptive nature of research; attempts to link different types of second language usage with SLL have produced mixed results. Many commentators have argued that stronger theorizing is required for interaction studies to progress. Interactionist researchers are increasingly interested in modelling internal linguistic and psycholinguistic factors. However, no detailed models of language processing have been proposed by any of interactionist researchers. Here, we will briefly discuss two models: Input processing theory and Autonomous induction theory.

Input Processing

Input Processing theory by Bill Van Patten and associates (1996, 2002) is well known because of an associated research program on language pedagogy, ‘processing instruction.’ It attempts to explain how environmental second language input becomes converted into intake. It does not offer a complete model of these processes; instead, it offers a set of ‘principles’ to explain apparent failure of second language to completely process the linguistic forms encountered in SL input.

Input Processing Principles:

Principle No.1: Learners have preferences for semantic processing over morphological processing. 📌 Example: ‘We travelled by train yesterday.’

Principle No. 2: The learners have a preference for beginning and ending words. 📌 Example: Learners give importance to the beginning and ending words of recast/feedback.

This approach has led to a series of pedagogical experiments. Input processing theory is primarily focused on explaining the shortcuts and restricted processing strategies which learners seem to use.

Input Processing: Critique

Input processing theory is primarily focused on explaining the shortcuts and restricted processing strategies which learners seem to use.

Intake in Light of Input Processing Theory by Bill Van Patten:

1. Linguistic data is actually processed from the input.
2. It is held in working memory for further processing.
3. Input processing theory does not offer a complete model of successful processing input.
4. It offers a set of principles.
5. It explains the apparent failures of learners to process the input.

Autonomous Induction Theory

Autonomous Induction theory by Suzanne Carroll (2000) offers a much more complete and ambitious model of the above mentioned processes. According to Carroll, understanding of SLA processes requires an adequate theory of the following phenomena:

1. Representation of language in the mind
2. How the language is processed both receptively and productively
3. How our mental representations of language can be changed to process the environmental language we encounter

Carroll rejects parameter (re)setting as a totally inadequate metaphor. Instead, she proposes inductive learning (i-learning). Inductive learning refers to learning by generalization from examples. Carroll challenges the claim that increased comprehension can lead to identification and acquisition in a sequential manner. According to her, it is logically impossible. Unless enough formal analysis is done so that elements are identified in the speech stimulus, there is no way of generating interpretation of its meaning.

Autonomous Induction Theory: Critique

Carroll’s model is complex. It’s been criticized for its neglect of the detail of language processing which converts language stimuli into interpretable input.

💡 Why this matters: Carroll’s critique challenges the widely held assumption that comprehension automatically leads to acquisition, arguing instead that formal analysis of input elements must occur first.

⭐ Key Takeaways

This lecture establishes that attention—specifically Schmidt’s concept of noticing—is critical for converting input to intake, though the claim was later softened from “necessary and sufficient” to “more noticing leads to more learning.” Van Patten’s Input Processing theory offers a set of principles (semantic over morphological processing, preference for word beginnings and endings) to explain learner processing failures but does not provide a complete processing model. Carroll’s Autonomous Induction theory provides a more ambitious model, rejecting parameter resetting in favor of inductive learning from examples, and arguing that formal analysis must precede comprehension. Both models are criticized—Input Processing for its limited scope, and Autonomous Induction for neglecting details of converting stimuli into interpretable input. Students must remember that neither model fully explains SLA processing but each offers valuable insights into learner strategies and cognitive constraints.

🧠 Quick Revision Questions

1. According to Schmidt, what is the difference between “noticing” and “understanding,” and how did his claim about noticing’s role in SLA change over time?
2. What are the three factors that influence the accuracy of recast reproduction according to Philip (2003)?
3. State the two principles of Van Patten’s Input Processing theory and provide an example for each.
4. According to Carroll’s Autonomous Induction theory, what three phenomena must an adequate theory of SLA explain, and what learning mechanism does she propose instead of parameter resetting?
5. What is the main criticism leveled against Carroll’s Autonomous Induction theory regarding language processing?

📘 Lecture 22 — Interactionist Approach and Sociocultural Theory

📖 Overview: This lecture evaluates the Interactionist Approach to Second Language Acquisition, detailing its achievements and limitations. It then introduces Sociocultural Theory, a perspective that views language learning as a fundamentally social and mediated process, drawing on the work of Vygotsky and his followers. Understanding these contrasting views is crucial for grasping how environmental factors and social interaction shape language development.

🗂️ Topics Covered

This lecture evaluates the scope of the Interactionist Approach, covering its achievements in documenting meaning negotiation and relating environmental factors to linguistic theory. It then lists the key limitations of this tradition, such as its Western-centric focus and incomplete modeling. The final section introduces Sociocultural Perspectives, explaining Vygotsky’s theory that learning is a mediated process involving symbolic tools and social interaction, and lists his leading supporters.

📝 Lecture Summary

Evaluation: The Scope of Interactionist Approach

The Input, Output, and Interaction hypotheses have generated significant empirical research. The first research phase focused on documenting the phenomenon of meaning negotiation. The second phase developed by a) relating environmental factors to Universal Grammar, b) increasing interest in negative evidence, and c) giving more attention to information processing theory and the complexities of converting environmental language first into input and then into intake.

Achievements of Interactionist Research

Research in this tradition has demonstrated several key findings. First, native speakers and non-native speakers can and will work actively to achieve mutual understanding. Second, negotiations involve both linguistic and interactional modifications, creating opportunities to 'notice' aspects of the target language form. Third, non-native speakers can attend to, take up, and use language items made available to them. Finally, learners who receive negative feedback on particular structures are significantly advantaged when later tested on those structures.

Limitations of Interactionist Approach

Despite its achievements, this tradition has several important limitations. First, most research has been conducted in Western or Anglophone settings, so more cross-cultural studies are needed to verify that 'negotiation for meaning' is a universal phenomenon. Second, attempts at modeling the interaction between environmental stimuli, the learner's internal language system, and language-specific capabilities remain fragmentary and incomplete. Third, there are few studies that track particular language structures through the processes of instruction, negotiation, and output. Fourth, there is a lack of studies documenting learners' long-term use and control of these language items. Consequently, the approach cannot yet generalize or make powerful predictions about the usefulness of interaction.

Socio-cultural Perspectives on Second Language Learning

🔑 Definition — Sociocultural Theory: A theory originally presented by Soviet psychologist Vygotsky, arguing that humans do not act directly on the physical world but rely on tools and labour activity, using symbolic tools or signs to mediate and regulate their relationships with others. Theorists in this perspective view language learning in essentially social terms, claiming that target language interaction is not simply a source of 'input' but plays a more central role in learning.

From this viewpoint, learning is a mediated process. It is mediated partly through learners' developing use and control of mental tools. It is also seen as socially mediated, meaning it is dependent on face-to-face interaction and shared processes. 💡 Why this matters: This contrasts sharply with the Interactionist view, which treats interaction primarily as a source of data for an internal learning mechanism; Sociocultural Theory places the social interaction itself at the heart of the learning process.

Vygotsky’s Leading Supporters: The leading supporters of this theory include Jerome Bruner, James Wertsch, Barbara Rogoff, James Lantolf, Mercer, and Wells.

⭐ Key Takeaways

The Interactionist Approach has successfully shown that negotiated interaction, including negative feedback, provides crucial opportunities for learners to notice and acquire language forms. However, its limitations include a Western-centric research base and an inability to make powerful predictions about acquisition. In contrast, Sociocultural Theory, rooted in Vygotsky's work, reframes learning as a socially and tool-mediated process, where interaction is not just input but the primary driver of development. The key distinction is that Interactionism sees the learner's internal mechanisms as central, while Sociocultural Theory sees the social context and collaborative process as the core of learning.

🧠 Quick Revision Questions

1. What were the two main phases of research within the Input, Output, and Interaction tradition?
2. Name three specific achievements of the Interactionist Approach in SLA research.
3. What are the four major limitations of the Interactionist Approach listed in the lecture?
4. What is the central argument of Vygotsky’s Sociocultural Theory regarding how humans act on the physical world?
5. According to Sociocultural Theory, in what two ways is learning a "mediated process"?