Adi is playing with another little boy, when the boy's grandmother comes over to say hello. When the little boy says 'Gramma!', Adi became very upset. He told the other boy that her name is not Gramma, because Adi thinks that only his grandmother can be 'Gramma'. Which common error does this represent?

Question

Quizplus · Accepted Answer

Underextension occurs when a child applies a word in a more limited way than adults do. In this case, Adi thinks the term "Gramma" only applies to his own grandmother, not understanding it can be used for other people's grandmothers as well.

Adi Is Playing with Another Little Boy, When the Boy's