Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
refers to the tendency of toddlers to apply grammar rules too broadly, resulting in errors or inconsistencies in their speech. It occurs when they incorrectly generalize a pattern they have learned to all similar words or situations.
Related terms
Underextension: Underextension happens when toddlers use words too narrowly and only apply them to specific objects or situations.
Telegraphic Speech: Telegraphic speech is the early stage of language development where toddlers use short and simple phrases without articles or extra words.
The Language Acquisition Device is a theoretical concept proposed by Noam Chomsky that suggests humans are born with an innate ability to acquire language.