The authors investigated how the presence or absence of monetary incentives in a prisoner's dilemma game may influence research outcomes. Specifically, the predictive power of the Big Five personality traits on decisions in an incentivized (N = 60) or hypothetical (N = 60) prisoner's dilemma...

We investigate strategic interactions of Israelis and Palestinians within a controlled laboratory experiment. In our first treatment we retrieve cooperation benchmarks prevailing within both subject pools. Then we measure cooperation levels and associated beliefs between Israelis and...