As sensitivity to social issues increases, corporations face a particularIy difficult challenge when confronted with trade-oEs between corporate self-interest and the public interest. The difficulty OE resolving sese socid d i l e m a s in groups is amplified by value conflicts across group members and also b y conflicts bciween an individual's p e r s o d values and those of the corporation. This study investigates the impact of group suppol-',s y s t e ~ (sGSS) on persuasive processes md fiecison outcomes associated with social dilerrunas. The theoretical foundafronfor the study is the literature on group gol&zation, in particular the theories of persuasive arguments and social comparison (Isen'ksg 1986).