Sexual differentiation involves bidirectional interactions among genes, the primitive genitals, and an internal environmental factor: _______

Psychologists specializing in learning and motivation stress which fact about food choice?

a. We are born liking certain tastes b. We learn to avoid foods that are followed by illness. c. Most food preferences are inherited. d. Most learning of food preferences takes place in school.

Consciously planned behavior determined by the needs of a given situation and designed for a specific purpose, usually to bring about a change in one's environment, is called _____

a. expressive behavior c. spontaneous behavior b. coping behavior d. non-directional behavior