Historical trauma and unsupportive allies This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/ejsp.2253 This article is protected by copyright. All rights reserved. When Criticism is Ineffective: The Case of Historical Trauma and Unsupportive Allies Gilad Hirschberger 1 Uri Lifshin 2 Stephanie Seeman 1 Tsachi Ein-Dor 1 Tom Pyszczynski 3 RUNNING HEAD: Historical trauma and unsupportive allies Word count: 10426 1. Baruch Ivcher School of Psychology, Interdisciplinary Center (IDC) Herzliya; 2. Department of Psychology, University of Arizona; 3. Department of Psychology, University of Colorado Colorado Springs. This research was funded by an Israel Science Foundation (ISF) grant 487/08 awarded to the first author, and a Bi-national Science Foundation (BSF) grant 2007230 awarded to the first and last authors. Please address all correspondence to Gilad Hirschberger, Baruch Ivcher School of Psychology, Interdisciplinary Center (IDC) Herzliya, P.O. Box 167, Herzliya, Israel; email: ghirschberger@idc.ac.il .