Dr. George predicted that positive reinforcement would increase prosocial behavior in preschoolers. Dr. George's prediction is an example of a

While at a Mexican restaurant, an attractive waitress asks Raul what kind of beer he would like. Instead of saying, "Dos Equis," he says, "Dos sexy." This accidental slip of the tongue could best be explained as

a. Thanatos. b. the Oedipus complex. c. a Freudian slip. d. repression. e. the superego.

About ______ of people suffer a traumatic experience at some point in their lives

a. one-fourth c. one-half b. one-third d. two-thirds