There is an old story about a young boy who was left to guard the village sheep. He was instructed to cry "wolf" if he thought the sheep were in danger. Even though there was no danger, the boy enjoyed crying "wolf" over and over, just to see the villagers come running. Then, when a wolf did appear, the disbelieving villagers ignored the boy's cry. The failure of the villagers to respond
illustrates the operant conditioning concept called
a. acquisition.
b. stimulus generalization.
c. partial reinforcement.
d. operant extinction.
D
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Which of the following is true about Christopher Reeve's spinal cord injury and recovery?
A. Reeve was able to achieve his goal of unassisted walking before his death in 2004. B. Reeve's injury was originally classified as grade C. C. After three years of electrical stimulation therapy, Reeve regained two-thirds of his touch sensation. D. Reeve was only able to show improvements because his spinal cord injury was not very severe.
A student is given a multiple choice test that would be scored the same way no matter which teacher graded it. This illustrates that the test is
a. projective. b. objective. c. subjective. d. valid.
Decibels are used to measure _______
a. frequency b. amplitude c. loudness d. overtones
Which of the following is a reliable predictor of happiness?
a. Parenthood b. Optimism c. Higher education levels d. Physical attractiveness