Yamagishi, Toshio; Makimura, Yosuke; Foddy, Margaret; Matsuda, Masafumi; Kiyonari, Toko; Platow, Michael
A cross-societal experiment with 49 Australian and 56 Japanese participants examined if the group heuristic account of ingroup-favoring behavior in a Prisoner's Dilemma game can be extended beyond the minimal group situation to a situation involving an enduring social category (i.e. participant's nationality). Participants played a Prisoner's Dilemma game five times, each time with a different partner. Two of the five partners were ingroup members, two were outgroup members, and the nationality...[Show more]
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