Increasing Perceived Outgroup Heterogeneity Following Exposure to Extreme Violence: An Intervention Tournament in Times of War

Ilana Ushomirsky, Yossi Hasson, Renana Atia, Nitzan Attias, Meital Balmas, Kinneret Endevelt, Tamar Gur, Boaz Hameiri, Shira Hebel-Sela, Oded Adomi Leshem, Nechumi Malovicki-Yaffe, Devorah Manekin, Anat Perry, Roni Porat, Tamar Saguy, Eric Shuman, Eran Halperin

Personality and Social Psychology Bulletin

Published online on July 22, 2025

Abstract

Personality and Social Psychology Bulletin, Ahead of Print.
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 ...