The period of vocal play is:
A) when the infant begins to squeal and make a series of "friction noises."
B) when the infant's use of speech is mostly vowel sounds.
C) also considered the expansion stage, during which the infants increase control of sounds and combine them into long and often complex sequences.
D) is also called marginal babbling.

Question

Quizplus · Accepted Answer

The period of vocal play is also considered the expansion stage, during which the infants increase control of sounds and combine them into long and often complex sequences. This stage is characterized by the use of both vowel and consonant sounds, and marks the transition towards true language development. Option A refers to the cooing stage, option B to the stage of repetitive babbling, and option D to a form of babbling that is not fully developed into speech.

The Period of Vocal Play Is