In a study, researchers taught 2- to 8-month-olds to pull a string to activate pleasurable sights and sounds, to which the infants responded with interest, happiness, and surprise. Then, for a short period, pulling the string no longer turned on the attractive stimuli, and the babies' emotional reactions changed to anger and sadness. Once the contingency was restored, the sad babies
A) showed renewed interest.
B) showed renewed enjoyment.
C) turned away.
D) reacted with high anxiety.

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The Answer of In a study, researchers taught 2- to 8-month-olds to pull a string to activate pleasurable sights and sounds, to which the infants responded with interest, happiness, and surprise. Then, for a short period, pulling the string no longer turned on the attractive stimuli, and the babies' emotional reactions changed to anger and sadness. Once the contingency was restored, the sad babies
A) showed renewed interest.
B) showed renewed enjoyment.
C) turned away.
D) reacted with high anxiety.

In a Study, Researchers Taught 2- to 8-Month-Olds to Pull