By 7 years of age, children start responding to the stimulus word "dog" with other words like "cat" or "sheep," or responding to the stimulus word "talk" with "run" or "jump." This is evidence that children at this age have begun to
A) memorize a large size of vocabulary without internal organizations.
B) be confused about words with similar meanings.
C) categorize their vocabulary by phonological features.
D) categorize their vocabulary by parts of speech.

Question

Quizplus · Accepted Answer

This behavior indicates that children are categorizing their vocabulary based on parts of speech, such as nouns (dog, cat, sheep) or verbs (talk, run, jump), rather than by sound or without any organization. This shows an understanding of the grammatical roles of words.

By 7 Years of Age, Children Start Responding to the Stimulus