Mr. and Mrs. Thompson took their son Peter to a psychologist and were told that he was learning disabled. They later went to a psychiatrist for a second opinion and were told that Peter was mentally retarded. This demonstrates the problem of
a) high validity.
b) stigmatization.
c) unreliability.
d) lack of validity.
c
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The sunk cost effect is the decision to do what?
a. To do something unpleasant just because you already paid for it b. To make a risky decision to try to gain something c. To make a risky decision to try to avoid losing something d. To buy the more expensive item because you assume it is of higher quality
Psychological hardiness is a
a. cluster of personality traits associated with increased resilience to stress. b. cluster of personality traits associated with reduced resilience to stress. c. personality style characterized by hostility and impatience. d. personality style susceptible to coronary heart disease. e. belief that one is capable of achieving one's goals.
Which type of appraisal may elicit positive emotions, such as exhilaration?
a. a challenge appraisal c. an arousal appraisal b. a fight appraisal d. a threat appraisal
Which type of glia actually helps guide the regrowth of axons following injury?
A. astrocytes B. oligodendrocytes C. Schwann cells D. microglia