TY - CHAP T1 - Attitudes, norms and social groups T2 - Social Cognition Y1 - 2004 A1 - Cooper, Joel A1 - Kimberly A. Kelly A1 - Kimberlee Weaver ED - Marilynn B. Brewer ED - Miles Hewstone JF - Social Cognition PB - Blackwell CY - Malden, MA ER -