Exposure to Wartime Trauma Decreases Positive Emotions and Altruism Toward Rival Out-Groups (But Not Nonrival Out-Groups) : A Survey Experiment in a Field Setting Among Syrian Refugees
A survey experiment, carried out in a field setting among Sunni Arab Syrian refugees (N = 2,479), examined the effect of exposure to wartime trauma, ethnoreligious group affiliation, and degree of hostility of intergroup relations on altruism and positive emotional regard. The results showed that in-group targets were met with more positive emotional regard and altruism than relatively neutral out