This article examines gender differences in pro-sociality using theories from evolutionary psychology and empirical evidence from experimental economics. Although there has been extensive prior research in both fields, there remains a large disconnect between the source of gender differences in...

We report results from a replication of Solnick (2001), which finds using an ultimatum game that, in relation to males, more is demanded from female proposers and less is offered to female responders. We conduct Solnick's (2001) game using participants from a large US university and a large...