If every person in the population has an equal chance of being selected for a study, then selection is:
a. random.
b. equated.
c. counterbalanced.
d. proportional.
A
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The __________ technique may work because, compared with the large first request, the second request seems more reasonable.
A. foot-in-the-door B. face-in-the-door C. door-in-the-face D. guilt-by-association
When identical twins are raised together in the same home, and they show different susceptibilities to a given psychological disorder, it indicates that:
a. environmental factors influence the expression of the disorder b. genetic factors have more influence than environmental factors in the disorder c. both genetics and environmental factors contribute equally to the disorder d. neither genetic factors nor environmental factors contribute to the disorder
Many psychosomatic problems are the result of
a. prolonged stress. b. imagination. c. sleep deprivation. d. a nutritional deficiency.
Which psychological problem is NOT associated with cocaine use?
A) insomnia B) paranoia C) schizophrenia D) depression