What has REBT been called

Maccoby and Jacklin's conclusions about gender differences have been criticized because they

a. included some weak studies in their review. b. based their findings on only a few studies. c. did not examine gender differences in verbal and mathematical ability. d. did not consider the age of children in the studies.

Applying the lessons of social loafing, one way to motivate group members to work harder is to

a. make them feel anonymous b. make their rewards contingent upon cooperative effort c. make their performances individually identifiable d. increase group membership as much as possible