The term scientists use to refer to a psychological concept is
A. construct.
B. validity.
C. variability.
D. operational definition.
A. construct
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The information-processing theory of development likens human cognitive processes to the functions of a
a. motorcycle b. cellular phone. c. computer. d. television
In order to avoid scale attenuation effects, a memory test should be constructed in which a. pilot subjects score near the top of the scale when there is no experimental manipulation so thatnegative effects on scores can be observed. b. pilot subjects score near the bottom of the scale when there is no experimental manipulation so that positive effects on scores can be observed
c. pilot subjects score near the middle range of the scale when there is no experimental manipulationso that any effect on scores, whether positive or negative, can be observed. d. pilot subjects are not aware of the experimental manipulation.
Which statement about stress disorders is FALSE?
a. Blunted emotions and avoiding reminders of the event are some of the symptoms of stress disorders. b. Acute stress disorder and post-traumatic stress disorder differ only in the duration of symptoms. c. Post-traumatic stress disorder rarely lasts longer than six months. d. About 3.5 percent of adults suffer from post-traumatic stress in any given year.
About ___ of the difference in intelligence between different individuals is apparently related to differences in brain size
a. 66% b. 0.5% c. 25% d. 11%