When Skinner withheld the reinforcers for rats in a Skinner box continuously, the rats:
a. looked for food elsewhere in the box.
c. eventually stopped pressing the lever.
b. ran wildly around the box.
d. did nothing.
ANS: C
FEEDBACK: The rat's bar-pressing actions can be controlled by presenting or withholding the reinforcers or by presenting them at a different rate. Withholding the food extinguishes operant behavior. If the unreinforced behavior no longer works, in that it no longer brings a reward, after a while it will stop.
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Studies of college students' conscientiousness revealed only a modest relationship between a student being conscientious on one occasion and being similarly conscientious on another occasion. This should make psychologists more cautious about overestimating the impact of ________ on behavior.
Fill in the blank(s) with the appropriate word(s).
Those who suffer from "voodoo death," or psychosomatic death may experience a rebound of the ________ nervous system in response to a terrifying stimulus
a) parasympathetic b) sympathetic c) central d) limbic