Table of Contents
1. Michael Halliday: Functional Theory
Michael Halliday fundamentally shifted linguistic focus from abstract syntactic rules (like those of Chomsky) to social interaction. His functional theory argues that language develops primarily because it fulfills essential social and communicative functions.
According to Halliday, children do not learn language as an isolated mental structure. Instead, they learn it as a practical tool to do things in the world—such as requesting, demanding, questioning, and expressing feelings.
2. Systemic Functional Linguistics (SFL) & 7 Functions
Halliday’s overarching framework is known as Systemic Functional Linguistics (SFL). It views language as a network of choices organized entirely around its functional use in context, emphasizing pragmatics and discourse analysis.
In early childhood development, Halliday identified seven distinct functions of language, each emerging to serve a real-world communicative need rather than a mere structural rule.
🔥 Match the List: Halliday's 7 Functions of Language
| Language Function | Purpose & Example |
|---|---|
| Instrumental | Used to fulfill a need or express a desire (e.g., "I want milk"). |
| Regulatory | Used to control the behavior of others (e.g., "Do as I tell you"). |
| Interactional | Used to establish and maintain social relationships (e.g., "Hello, let's play"). |
| Personal | Used to express personal feelings, opinions, or identity (e.g., "I am a good boy"). |
| Heuristic | Used to explore the environment and seek knowledge (e.g., "Why is the sky blue?"). |
| Imaginative | Used to create an imaginary world or play (e.g., "Let's pretend we are dragons"). |
| Representational | Used to convey facts and information (e.g., "I have two brothers"). |
3. Stephen Krashen: The Monitor Model (SLA)
In the 1980s, Stephen Krashen revolutionized the field of Second Language Acquisition (SLA) with his Monitor Model. The foundational premise of his theory is that language acquisition and language learning are two entirely distinct processes.
4. Krashen's Five Hypotheses
Krashen’s Monitor Model is built upon five interrelated hypotheses that dictate how second languages are successfully acquired.
🔥 Match the List: Krashen's 5 Hypotheses
| Hypothesis | Core Concept & Definition |
|---|---|
| 1. Acquisition–Learning Hypothesis | Acquisition is a subconscious, natural process (like picking up a first language). Learning is the conscious, formal study of grammatical rules. |
| 2. Monitor Hypothesis | The "Monitor" acts as a mental editor. While fluent communication relies on subconscious acquisition, conscious learning is only used to monitor and fine-tune output. |
| 3. Input Hypothesis (i + 1) | Language acquisition only occurs when learners are exposed to comprehensible input that is slightly beyond their current proficiency level (represented as i + 1). |
| 4. Natural Order Hypothesis | Grammatical structures are acquired in a predictable, natural sequence, regardless of the order in which they are formally taught in a classroom. |
| 5. Affective Filter Hypothesis | Emotional variables (anxiety, lack of motivation, low self-confidence) create an "affective filter" that blocks comprehensible input from reaching the language acquisition areas of the brain. |
5. Frequently Asked Questions
What is Systemic Functional Linguistics (SFL)?
Systemic Functional Linguistics, developed by Michael Halliday, is a theory that views language not as a set of rigid syntactic rules, but as a system of choices driven by social and communicative functions in a given context.
How does Halliday view language development in children?
Halliday argues that children develop language because it serves practical, real-world purposes. He identified seven functions (instrumental, regulatory, interactional, personal, heuristic, imaginative, representational) that drive early childhood language acquisition.
What is the difference between Acquisition and Learning in Krashen's theory?
According to Krashen, 'acquisition' is a subconscious, intuitive process similar to how children learn their mother tongue. 'Learning' is a conscious, formal process focused on memorizing grammatical rules, which is less effective for spontaneous fluency.
What does "i + 1" mean in the Input Hypothesis?
The formula "i + 1" represents Krashen's Input Hypothesis. "i" stands for the learner's current linguistic competence, and "+ 1" represents language input that is just slightly more advanced than what the learner currently understands, facilitating natural acquisition.
