About what percentage of U.S. children born to married parents will experience divorce over the course of childhood?

Operant shaping is often used in training various

animals to perform tricks with hand signals being used to indicate which trick that the animal is to perform and food treats then being used as reinforcers. Thus, the trainer's hand signals are serving as a. unconditioned stimuli. b. respondent cues. c. cognitive maps. d. discriminative stimuli.

The goal of projective tests is to ____

a. understand a single facet of a client's personality b. put the client at ease so that other tests will be answered honestly c. allow people to "project" their attitudes and personality characteristics d. allow a client to express his or her conscious needs and motivations