science

Language acquisition device

Language acquisition device is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Language acquisition device rather than just read about it. In short: The Language Acquisition Device (LAD) is a claim from language acquisition research proposed by Noam Chomsky in the 1960s. The LAD concept is a purported instinctive mental capacity which enables an infant to acquire and produce language.

Key takeaways

Language acquisition device belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Language acquisition device to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Language acquisition device from memory before moving on to harder problems.

Reference excerpt

The Language Acquisition Device (LAD) is a claim from language acquisition research proposed by Noam Chomsky in the 1960s. The LAD concept is a purported instinctive mental capacity which enables an infant to acquire and produce language. It is a component of the nativist theory of language. This theory asserts that humans are born with the instinct or "innate facility" for acquiring language. The main argument given in favor of the LAD was the argument from the poverty of the stimulus, which argues that unless children have significant innate knowledge of grammar, they would not be able to learn language as quickly as they do, given that they never have access to negative evidence and rarely receive direct instruction in their first language. Critics say there is insufficient evidence from neuroscience and language acquisition research to support the claim that people have a language acquisition device.

Worked examples

Example 1 — a first encounter with Language acquisition device

Start with the simplest possible case. Write down what Language acquisition device claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Language acquisition device before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Language acquisition device ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Language acquisition device

In research: Language acquisition device appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Language acquisition device in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Language acquisition device is common in secondary-school and first-year university syllabi. It links to neighbouring topics Language acquisition, Noam Chomsky, so understanding it makes those chapters shorter.
In everyday life: Look for Language acquisition device outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Language acquisition device in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Language acquisition device means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Language acquisition device out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Language acquisition device in simple terms?

Why does Language acquisition device matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Language acquisition device?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Language acquisition device.