The validity coefficient of an aggression scale is .5 . Using a score on this scale as a predictor of domestic violence, how much of the variability in domestic violence can be attributed to scores on the aggression scale?
a. 25%
b. 50%
c. none
d. indeterminate
b
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Which school of psychology is most closely associated with Skinner?
a. reductionist behaviorism b. radical behaviorism c. hypothetico-deductive behaviorism d. cognitive behaviorism
"Nature" mainly refers to
A) cultural heritage and diversity. B) genetics and biology. C) nutrition and medical care. D) the influence of parents and others.
A longitudinal study discussed in your textbook used MRI scans to study the development of the cerebral cortex as children aged. Which of the following is one of the findings from this study?
a. In the brightest children, the cerebral cortex is always thicker than it is in other children. b. The cortex in very bright children develops more rapidly and for a longer time than it does in other children. c. The cortex in average children reaches its maximum thickness several years later than it does in bright children. d. In children with average IQs, the cortex reaches maximum thickness at age 11 or 12.
Passive diffusion is most effective for _____________ drug molecules.
a. small b. quickly metabolized c. inhaled d. non-ionized