Conclusions based on the prisoner’s dilemma game (PDG) have been questioned, because when people compete for high stakes (e.g., thousands of dollars) they become far more cooperative than the PDG results would suggest.
a. True
b. False
b. False
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The students in a psychology class seemed to think that the midterm exam was very easy. If they are correct, what is the most likely shape for the distribution of exam scores?
a. Symmetrical c. Negatively skewed b. Positively skewed d. Normal
A common background among people with somatization disorder is:
A. some traumatic event in childhood B. poor performance in elementary school C. growing up in economically poor families D. growing up in cold and unsupportive families
Which is one of the factors Insko and his colleagues have identified as a potential cause of the discontinuity effect?
a. Members are embarrassed to be display hostility before other group members. b. Members of interacting groups support a norm of tolerance for the outgroup. c. People do not wish to appear greedy, particularly if the rest of the group is willing to share. d. People expect intergroup relations to be more unfriendly and aggressive. e. People do not consider the members of the other group to humans.
If the statistical value is a(n) ______ in a distribution, there is a good chance that it comes from a different distribution
A. p value B. ? level C. outlier D. extreme score