Author Question: Peer groups tend to be of the same sex throughout early childhood but not continuing into ... (Read 78 times)

armygirl · **on:** Jun 22, 2018

Peer groups tend to be of the same sex throughout early childhood but not continuing into adolescence.

Indicate whether the statement is true or false

Question 2

Changes in the infant's ability to produce speech sounds occur as a result of

a. physiological changes in the vocal apparatus and the nervous system.
b. increased control of the brainstem over voluntary utterances.
c. innate preferences for prosody.
d. repetitive attempts at copying the language spoken around them.