Group size, Outcome Dependency and Power: Effects on Perceived and Objective Group Variability / Ana Guinote -- The Acquisition, Transmission, and Discussion of Social Stereotypes: Influences of Communication on Group Perceptions / Markus Brauer, Charles M. Judd and Micah S. Thompson -- Culture, Communication, and Entitativity: A Social Psychological Investigation of Social Reality / Yoshihisa Kashima -- Group Socialization, Uncertainty Reduction, and the Development of New Members' Perceptions of Group Variability / Carey S. Ryan, Debbie R. Robinson and Leslie R. M. Hausmann -- Entitativity, group distinctiveness and social identity: Getting and using social structure / Russell Spears, Daan Scheepers, Jolanda Jetten , Bertjan Doosje, Naomi Ellemers & Tom Postmes -- Social identity as the basis of group entitativity: Elaborating the case for the "science of social groups per se" / Katherine J. Reynolds, Penelope J. Oakes, S. Alexander Haslam, John C. Turner & Michelle K. Ryan -- The Perception of Outgroup Threat: Content and Activation of the Outgroup Schema / Tim Wildschut, Chester A. Insko, Brad Pinter -- The Maintenance of Entitativity: A Subjective Group Dynamics Approach / Dominic Abrams, Jos M. Marques, Georgina Randsley de Moura, Paul Hutchison, Nicola J. Bown -- On the advantages of reifying the ingroup / Emanuele Castano -- Uncertainty and Extremism: Identification with High Entitativity Groups under Conditions of Uncertainty / Michael A. Hogg -- Entitativity and Social Integration: Managing Beliefs about the Reality of Groups / Richard L. Moreland and Jamie G. McMinn.000000000000000000.