New research conducted by Drs. David Matsumoto and Hyi Sung Hwang now relates the behavioral ability to cooperatively interact with people to cultural differences between the players.
In this study, US born Americans played a modified Prisoner’s Dilemma game in same sex dyads in one of three conditions: with another American (Control), with an international student (Intercultural Condition), or with another American but under stressful conditions (Stress Condition).