Before revision:  Study 1 (N= 1,077 ) shows that people do not discriminate between genders when they are in charge of punishing (rewarding ) defectors (cooperators) in a one-shot public goods game.
After revision:  Study 1 (N= 1,077 ) shows that people do not discriminate between genders when they have the option to punish (reward ) defectors (cooperators) in a one-shot public goods game.