In Studying Infant Perception, the Preference Technique

In studying infant perception, the preference technique

A) assumes that a baby will both habituate and dishabilitate.
B) involves presenting the baby with a particular sight or sound until he stops looking at it.
C) requires training the baby to turn her head when she hears a particular sound.
D) involves presenting a sound that is different from the original to see if the baby shows renewed interest.
E) assumes that infants who look at one picture of a pair prefer that picture.