A psychologist conditions your dog to salivate to a bell. Later, when your dog is home, someone rings the doorbell and the dog drools all over the floor. What process has occurred?

According to Freud, aggression is to thanatos as sex drive is to

a. creativity. b. eros. c. charity. d. perception. e. drive theory.

Researchers have found that when traditional males, traditional females, and androgynous people are compared in terms of the degree of depression, androgynous people are usually __________

a) less depressed b) equally depressed c) more depressed d) unfulfilled