Intergroup violence in bursts or fizzles

Intergroup violence in bursts or fizzles

During intergroup confrontations, agitating stimuli such as opponents' threats and provocations can trigger collective violence, even when the usual mechanisms of cooperation, such as norms with sanctions, are absent. We examine video recordings of street fights between groups of young men. Col...

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Veröffentlicht in:arXiv.org 2024-06
Hauptverfasser: Bruggeman, Jeroen, Weenink, Don, Mak, Bram
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Cooperation
Incentives
Ising model
Norms
Subgroups
Video data
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description During intergroup confrontations, agitating stimuli such as opponents' threats and provocations can trigger collective violence, even when the usual mechanisms of cooperation, such as norms with sanctions, are absent. We examine video recordings of street fights between groups of young men. Collective violence in their attacks sometimes breaks out in a burst, while at other times it reaches only a fizzle in which only a few group members participate. An adapted Ising spin-glass model demonstrates that these two temporal unfoldings can be predicted by the proportion of unconditional defectors in a focal group.
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subjects Cooperation
Incentives
Ising model
Norms
Subgroups
Video data
title Intergroup violence in bursts or fizzles
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