Suppose You Show a Newborn Infant Four Photographs, One of His

Multiple Choice

Suppose you show a newborn infant four photographs, one of his mother smiling, one of his mother making a fearful face, one of a stranger smiling, and one of a stranger making a fearful face. Which photograph should you expect the newborn to look at for the longest time?

A) the smiling mother
B) the fearful mother
C) the smiling stranger
D) the fearful stranger