A very high rate of responding is produced by a _______ schedule of reinforcement
a. fixed interval
b. fixed ratio
c. variable interval
d. variable ratio
d
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When variables A and B are independent, the variance of A - B is equal to
a. the variance of A plus the variance of B. b. the variance of A. c. variance of A minus the variance of B. d. it cannot be determined from the information given here.
Sally has been complaining about extreme and continual back pain and dizziness with loss of balance, but no physical causes have been discovered with elaborate medical testing. If she has no physical cause of these problems, she most likely has a
a. somatization syndrome. b. dissociative disorder. c. hysterical disorder. d. somatoform disorder.
The cognitive approach to personality suggests that negative thoughts can
A. be a symptom of depression. B. cause depression. C. be the result of changes in brain receptors. D. be more slowly processed.
You do not like to drive with your 54-year-old uncle. He prides himself on being a great driver, but you think that he gets too close behind other drivers. Relative to your uncle's age, why does this concern you?
You think that you might get into an accident because, as a middle adult, ____. a. his vision has been reduced significantly b. he is less able to multitask c. he is forgetful and reckless d. his reaction time is slower