1. Research Center for Group Dynamics, Institute for Social Research, The University of Michigan, 426 Thompson St., Ann Arbor, MI 48106-1248, USA
2. Department of Psychology, Bowling Green State University, Bowling Green, OH 43403, USA
3. School of Arts and Sciences, Psychology Department, Rutgers University, 101 Warren Street, Newark, NJ 07102, USA
4. Palestinian Center for Survey and Policy Research, Off Irsal Street, Ramallah P.O. Box 76, Palestine
5. Faculty of Law, Institute of Criminology, The Hebrew University of Jerusalem, Mt. Scopus, Jerusalem 9190501, Israel
6. Department of Communication Studies, Tel-Aviv University, Tel Aviv 6997801, Israel