A social smile differs from a reflexive smile in that a social smile
A) occurs in response to an external stimulus.
B) is first observed beyond the age of 12 months.
C) occurs only when the infant is asleep.
D) usually occurs when a child meets unfamiliar adults outside the home environment.

Question

Quizplus · Accepted Answer

A social smile is a response to an external stimulus, such as seeing a parent's face or hearing a familiar voice, indicating the baby's engagement with their environment. Reflexive smiles, on the other hand, can occur without external stimuli and are often seen during sleep in the early weeks of life.

A Social Smile Differs from a Reflexive Smile in That