What continues to increase in prevalence partly due to a biological tendency toward increasing body fat and losing muscle mass in middle adulthood?

Riesman et al. (1991) found that as temperatures rise to uncomfortable levels, major league baseball pitchers are more likely to hit batters with a pitch. This finding is consistent with

a. social learning theory. b. the cognitive neoassociation model. c. the role of negative affect in aggression. d. scapegoating.

Triebs were, in Freud's system, ____

a. ?humans' motivating forces b. ?unique to animals c. ?unique to the phallic stage d. ?the root of neurosis e. ?similar to Einfall