Separate answer sheets can be used at the __________ school level and beyond

What observation led Cialdini to question the existence of true altruism?

a) Altruism usually results from modeling. b) Altruism is best explained by sociobiology. c) True altruistic behavior occurs only between people who are related. d) Behaviors that are deemed altruistic almost always involve some kind of reward.

She seems well adjusted to school and participates in different after school

activities and sports. However, her behavior has recently become a source of concern. For example, when playing soccer, Sarah has at times stopped abruptly, screaming and squirming, with a "locked-up" body for 2-3 minutes, frightening other children. When asked about it, Sarah appeared frightened and on one occasion explained: "I think I have heart disease, and the running caused my heart to stop beating!" This suggests that Sarah may be suffering from: a. Posttraumatic stress disorder b. Separation anxiety disorder c. Agoraphobia d. Panic disorder e. Generalized anxiety disorder