The statistic formulated by adding a group of scores together and then by dividing that sum by the total number of scores is called the

Which of the following people sounds most like he has an anxious attachment style?

a. Wayne relies heavily on others for support and acceptance. b. Keyshawn very much wants to be close to his partner, but fears that his affections won't be returned. c. Vinnie values intimacy, finds it easy to get close to others, and trusts his partner. d. Curtis finds it difficult to trust others and often feels his partners want to be closer than he would like.

Responses can be extinguished by

a. stimulus generalizations. b. nonreinforcement. c. negative reinforcement. d. intermittent reinforcement.

What treatment evolved from Franz Anton Mesmer's technique of animal magnetism?

a) hypnosis b) psychotherapy c) dream analysis d) psychoanalysis

All of the following are types of visual information that babies prefer EXCEPT

A) moving stimuli. B) very complex patterns. C) bright colors, like black and red. D) patterns that resemble the human face.