Kerry says, "doggy, doggy" whenever she sees the family dog, Brutus. However, she is puzzled when encountering the babysitter's dog and doesn't also call him "doggy." This BEST illustrates which of the following?

Question

Quizplus · Accepted Answer

Underextension occurs when a child incorrectly applies a word to only a specific example they are familiar with, rather than the category as a whole. Kerry only calls her family dog "doggy," indicating underextension since she does not apply the term to other dogs.

Kerry Says, "Doggy, Doggy" Whenever She Sees the Family Dog