Which of the Following Statements About Social Dilemmas Is FALSE

Multiple Choice

Which of the following statements about social dilemmas is FALSE?

A) Rewards and punishments are more effective if they are imposed by an external authority, rather than by the group itself.
B) When imposing sanctions on people who don't cooperate, costly incentives are more effective than free ones.
C) Free riding is easier in large, as opposed to small, groups.
D) The development of norms that support cooperation is essential in ensuring that people behave in a prosocial way.