ArticlePersonality & social psychology bulletin2026
Increasing Perceived Outgroup Heterogeneity Following Exposure to Extreme Violence: An Intervention Tournament in Times of War.
Article in Personality & social psychology bulletin, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Exposure to political violence often drives individuals toward extreme attitudes and greater support for retaliatory policies, including heightened perceptions of outgroup homogeneity. In violent intergroup conflicts, such perceptions can be especially dangerous, as they may justify indiscriminate violence against the outgroup. The current research aims to address Jewish Israelis' perceptions of Palestinians' variability following the October 7 Hamas attack on Israel. We simultaneously conducted two intervention tournaments in which we examined the effectiveness of different interventions in increasing the perceived heterogeneity of Palestinians from the West Bank and Gaza Strip (
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