A famous psychologist studies mate selection, altruism, and jealousy in a variety of cultures across a wide range of time periods in an effort to find out how we (humans) have developed our current patterns of behavior in regard to these issues

Peggy wanted to teach her dog how to roll over. She tried giving him instructions, but it didn't work. She tried waiting for him to roll over so she could reinforce the behavior, but she had to go to bed before the dog rolled

Finally, she began reinforcing the dog when it made behaviors that more closely resembled rolling over. At last, using _______, she was able to teach the dog to do the trick. a. shaping b. positive reinforcement c. positive reinforcers d. secondary reinforcers

Ccording to the humanistic perspective, the main task for humans is to

a. survive powerful, instinctive forces. b. attend, think, remember and understand. c. strive for positive development. d. shape personal behavior to avoid unfavorable consequences.