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Full-Text Articles in Physical Sciences and Mathematics
Intergroup Prisoner’S Dilemma With Intragroup Power Dynamics, Ion Juvina, Christian Lebiere, Jolie M. Martin, Cleotilde Gonzalez
Intergroup Prisoner’S Dilemma With Intragroup Power Dynamics, Ion Juvina, Christian Lebiere, Jolie M. Martin, Cleotilde Gonzalez
Psychology Faculty Publications
The Intergroup Prisoner’s Dilemma with Intragroup Power Dynamics (IPD^2) is a new game paradigm for studying human behavior in conflict situations. IPD^2 adds the concept of intragroup power to an intergroup version of the standard Repeated Prisoner’s Dilemma game. We conducted a laboratory study in which individual human participants played the game against computer strategies of various complexities. The results show that participants tend to cooperate more when they have greater power status within their groups. IPD^2 yields increasing levels of mutual cooperation and decreasing levels of mutual defection, in contrast to a variant of Intergroup Prisoner’s Dilemma without intragroup …