What Do Findings of Studies with Older Infants Pressing a Level

Multiple Choice

What do findings of studies with older infants pressing a level to make a train move show?

A) Older infants have lost some types of memory retention that they had as infants.
B) The amount of information that infants retain sharply increases with age.
C) The duration of infants' memories gradually but steadily increases with age.
D) The length of infants' memories sharply increases with age.