People from Bangkok, Thailand, Katmandu, Nepal, and Malaysia can be mentally grouped together as Asians. Which of the following principles of perceptual grouping best fits this example?
a. nearness
b. continuity
c. common region
d. closure
C
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In times of stress, stimulation of the pituitary gland results in the adrenal gland secreting hormones that tend to
a. decrease emotional arousal. b. mobilize the body for action. c. conserve energy. d. increase energy and inhibit tissue inflammation.
At what point would we assume that the construct validity of a test has been established and no more studies should be done?
a. when we have shown that it correlates with several other measures designed to tap the same construct b. when we have shown that it does not correlate with measures designed to tap different constructs c. never – construct validation is an ongoing process d. when the validity coefficients are above .8
Aaron has an important meeting, so he leaves for work 20 minutes earlier than normal but because of a car stalled on the highway that slows traffic to a crawl, Aaron may be late for his meeting. Aaron is experiencing
a. external frustration. b. personal frustration. c. external conflict. d. internal conflict.
The t test assumes that the independent variable affects the _________ of the populations
a. means c. means and standard deviations b. standard deviations d. none of these