19 Children use the word “apple” to refer to similar round objects such as ball and tomatoes but are able to correctly pick out the apple from a collection of such items. This phenomenon is called ______ to describe children generalization of the meaning of a word beyond the sense in the adult language.
(A)underextension
(B)overextension
(C)conventionality
(D)extendibility

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統計: A(27), B(245), C(19), D(21), E(0) #1283407

詳解 (共 3 筆)

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Overextension

 when a child uses a word in a context or manner that is inconsistent with, but in some way related to adult meaning of the word

-term is extended to concepts beyond the adult concept

-daddy for adult men

-cat for all four-legged animals

-bye-bye to greet visitor

Underextension

 when a child uses a word for only a limited subset of the contexts used by the adult

-cat for the home pet only

-truck for the toy truck only

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