Poverty of the Stimulus
Updated 2026-08-02
INTRODUCTION
English translation pending.
CORE DEFINITION
Advanced by Noam Chomsky in the 1960s, the poverty of the stimulus argument holds that the language data children receive are finite, noisy, and insufficient to determine the grammar they acquire, so some structural knowledge must be innate. Children produce grammatical sentences they have never heard and converge on complex rules without instruction. The argument supports the existence of universal grammar as a biological endowment, with the environment acting as a trigger. Key qualification: critics argue that statistical learning over much larger input may account for more than the argument assumes.
SCAFFOLDING EFFECT
Reduce cognitive load
- Check the input: ask whether the available data could possibly produce the competence being observed. - Infer structure: if output exceeds what input can explain, look for a built-in mechanism. - Trigger, do not pour: design teaching to activate existing structures rather than transmit them.
Anchor fast decisions
If the input underdetermines the outcome, then something beyond the input must supply the missing structure. Children's rapid convergence on rules they were never taught suggests the missing structure is internal, which makes the environment a trigger rather than a source. The argument is an inference to the best explanation, and its strength depends on how much the input can actually be shown to contain.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Poverty_of_the_stimulusverified
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