5Forgas, J.P. & Fiedler, K. Us and them: Mood effects on intergroup discrimination. Journal of Personality and Social Psychology, 1996,70: 28-40
6Perdue, C. W., & Dovidio, J. F., Gurtman, M. B., & Tyler, R. B. "Us" and "them": Social categorization and the process of intergroup bias. Journal of Personality and Social Psychology, 1990,59: 475-486
8Karpinski A, Steinman R. The single category implicit association test as a measure of implicit social cognition. Journal of Personality and Social Psychology ,2006,91 ( 1 ) : 16 - 32.
9Fiske S T. Social Beings:A core motives approach to social psychology. John Wiley & Sons ,2004,398 - 400.
10Greenwald A G, Banaji M R. Implicit social cognition : Attitudes, self-esteem and stereotypes. Psychological Review, 1995, 102(1):4-27.
