Extinction in operant conditioning involves _________________
A) negative reinforcement
B) positive reinforcement
C) punishment
D) withholding reinforcement
Answer: D
Rationale: In operant conditioning, extinction refers to the weakening of an operant response when reinforcement is no longer available. Therefore, if an experimenter wanted to extinguish a conditioned behavior, they would stop or withhold reinforcement.
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Which of the following statements is true of REM sleep?
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