Which of the following is TRUE of social smiling?
A)It does not occur in response to external stimuli.
B)It appears during the first month after birth.
C)It usually appears during sleep.
D)The external stimulus is typically a face,in the case of young infants.

Question

Quizplus · Accepted Answer

Social smiling is a response to external stimuli, and the external stimulus is typically a face for young infants. It typically appears between 6-10 weeks after birth, not during sleep. Therefore, the true statement is that the external stimulus is typically a face, in the case of young infants. Choice B is incorrect since social smiling does not appear during the first month after birth.

Which of the Following Is TRUE of Social Smiling