A collective blame hypocrisy intervention enduringly reduces hostility towards Muslims.

摘要: Hostility towards outgroups contributes to costly intergroup conflict. Here we test an intervention reduce hostility Muslims, a frequently targeted outgroup. Our 'collective blame hypocrisy' highlights the hypocrisy involved in tendency for people collectively outgroup but not ingroup members blameworthy actions of individual group members. Using both within-subject and between-subject comparisons preregistered longitudinal study Spain, find that our reduces collective Muslims downstream anti-Muslim sentiments relative matched control condition effects persist one month also year later. We replicate benefits second study. The are mediated by reductions moderated differences preference consistency. Together, these data illustrate enduringly harmful attitudes associated with conflict escalation, particularly among those who value consistency themselves others.