Behavioral scientists routinely publish broad claims about human psychology and behavior in the world's top journals based on samples drawn entirely from Western, Educated, Industrialized, Rich and Democratic (WEIRD) societies. Researchers-often implicitly-assume that either there is little...

Behavioral scientists routinely publish broad claims about human psychology and behavior in the world’s top journals based on samples drawn entirely from Western, Educated, Industrialized, Rich and Democratic (WEIRD) societies. Researchers - often implicitly - assume that either there is...

Behavioral scientists routinely publish broad claims about human psychology and behavior in the world's top journals based on samples drawn entirely from Western, Educated, Industrialized, Rich and Democratic (WEIRD) societies. Researchers - often implicitly - assume that either there is little...

We present a tool and method for measuring the psychological and cultural distance between societies and creating a distance scale with any population as the point of comparison. Since psychological data is dominated by samples drawn from WEIRD nations, and overwhelmingly, the United States, we...

The endowment effect – the tendency for owners (potential sellers) to value objects more than potential buyers – is among the most widely studied judgment and decision-making phenomena. However, the current research is the first to explore whether the effect varies across cultures. Given...

We introduce a game theory model of individual decisions to cooperate by contributing personal resources to group decisions versus by free-riding on the contributions of other members. In contrast to most public-goods games that assume group returns are linear in individual contributions, the...