Celia has noticed that her 7-month-old daughter has recently begun to raise and lower the pitch of her voice when she babbles so she sometimes sounds as if she is asking questions. Celia's daughter has added __________ to her babbling.
A) cooing
B) repetition
C) vowel sounds
D) intonation

Question

Quizplus · Accepted Answer

Intonation refers to the rise and fall of pitch in speech. By raising and lowering the pitch of her voice when babbling, Celia's daughter is demonstrating the beginnings of intonation, which is an important aspect of language development.

Celia Has Noticed That Her 7-Month-Old Daughter Has Recently Begun