At 6 months, Elena is able to sit up and has strong upper body strength, but she cannot yet walk. This illustrates the cephalocaudal principle

Suppose you scored very high on the Dentist Scale of the SCII. This would suggest that

a. you are interested in dentistry. b. your interests are similar to those of people who say they are happy working as dentists. c. you have a high aptitude for dentistry. d. the chances are good that you will be a successful dentist.

Watson and Skinner had one objective in common, which was the

a. treatment of disorders. b. explanation of behavior through conditioning/reinforcement. c. use of mental imagery. d. discovery of unconscious conflicts.