According to Perry, adolescents tend to engage in ______________: an act is either right or wrong, with no in-between; a statement is either true or false, regardless of the nuances of the situation

Evolutionary psychologists explain altruistic behavior according to a theory known as

a) beyondism. b) inclusive fitness. c) parental investment theory. d) scientism.

Survivors Vivid memories of Nazi death camp experiences most clearly challenge freuds concept of

A) fixation B) repression C) the Oedipus complex D) motivational conflict