arop2Barsade ARI 18 December 2014 00:11 Review in Advance first posted online on January 2, 2015. (Changes may still occur before final publication online and in print.) Group Affect Sigal G. Barsade1 and Andrew P. Knight2 1Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania 19104; email:
[email protected] 2Olin Business School, Washington University in St. Louis, St. Louis, Missouri 63130; email:
[email protected] Annu. Rev. Organ. Psychol. Organ. Behav. 2015. Keywords 2:14.1–14.26 emotion, teams, group dynamics, workplace The Annual Review of Organizational Psychology and Organizational Behavior is online at orgpsych.annualreviews.org Abstract This article’s doi: Over two decades of research has indicated that group affect is an im- 10.1146/annurev-orgpsych-032414-111316 portant factor that shapes group processes and outcomes. We review Copyright © 2015 by Annual Reviews. and synthesize research on group affect, encompassing trait affect, All rights reserved moods, and emotions at a collective level in purposive teams. We be- gin by defining group affect and examining four major types of collec- Access provided by University of Pennsylvania on 01/13/15. For personal use only. tive affective constructs: (a) convergence in group affect; (b) affective Annu. Rev. Organ. Psychol. Behav. 2015.2. Downloaded from www.annualreviews.org diversity, that is, divergence in group affect; (c) emotional culture; and (d) group affect as a dynamic process that changes over time. We describe the nomological network of group affect, examining both its group-level antecedents and group-level consequences. Antecedents include group leadership, group member attributes, and interactions between and relationships among group members.