Recent studies suggest that payoffs in cents, compared to dollars, produce less defection in a repeated prisoner’s dilemma game. We are unable to replicate these findings with conventional economic procedures or in a direct replication.

In four experiments involving choices between apartments, we decomposed predecisional information distortion into positive distortion of information about the tentatively leading alternative and negative distortion of information about the trailing alternative(s). Proleader and antitrailer...