Problems with Freud's theory of psychosexual development include that it places too much emphasis on the influence of childhood experiences on later development, and too much emphasis on the power of sexuality on behavior.

Which of the following is the most commonly diagnosed psychological disorder in the United States?

a) generalized anxiety disorder b) major depressive disorder c) substance-abuse disorder d) schizophrenia

Scientific observations have shown which of the following statements to be TRUE?

a. Men and women do not communicate very differently. b. Some people are left-brained and some are right-brained. c. Subliminal advertising really does work. d. Commonsense theories are usually the basis for most of our psychological theories today.