What type of thinking involves understanding that there are two or more legitimate views for each issue?

The first step in calculating the standard deviation of a set of scores is to calculate the

__________ of those scores. a. mean b. median c. range d. variance e. mode

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.