In a symmetrical binomial probability distribution, the greatest frequency of scores is near the

a. ends of the distribution

Freud suggested that destructive or socially unacceptable wishes are repressed because they

a) are incompatible with the Oedipal stage. b) are in conflict with one's self-image. c) would otherwise find an outlet in hysterical symptoms. d) are in opposition to the id.

Which of these is relatively common?

(a) hypergamy (b) polyandry (c) women paying males for sex (d) alpha societies