In classical conditioning, spontaneous recovery refers to the
a. sudden disappearance of the CR that occurs during extinction.
b. fact that the strength of the CR repeatedly fluctuates from low to high during extinction.
c. reappearance of the CR at the beginning of an extinction session following an original extinction session.
d. rapid increase in the strength of the CR that appears at the end of successive extinction sessions.
c. reappearance of the CR at the beginning of an extinction session following an original extinction session.
Answer feedback: The term spontaneous is applied because there was no specific effort to increase behavior after Sniffy was returned to the home cage for a 24-hr period following the extinction session (Stage 2). The reappearance (or recovery) of the CR at the beginning of the next extinction session (Stage 3) was therefore considered to be spontaneous.
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