In __________, the combined effects of multiple drugs is greater than the sum of the parts.

Cognitive dissonance is

A) a state of tension that occurs when a person simultaneously holds two cognitions that are psychologically inconsistent. B) the tendency of members of a group to avoid taking responsibility for their actions because they assume that others will do so. C) the tendency for members of a close-knit group to think alike for the sake of harmony and to suppress disagreement. D) a belief that a statement is true just because the person has heard it repeated over and over again.

When compared to the work of sociologists and anthropologists, psychologists are likely to focus more on

a. social institutions. b. individual behavior. c. cultural differences in behavior. d. the behavior of people in groups.