This study explored the relationship between leadership style and individual ethics in work groups. We present a model of how active leadership affects conformity in members’ ethical decision frameworks (formalism and utilitarianism). We tested this model by examining 36 work groups over a 12-week period. Results supported the hypothesis that more active leadership would lead to greater conformity in both types of ethical frameworks. A second hypothesis, that group cohesion would mediate this relationship between leadership style and ethical conformity, was partially supported. Implications of these findings for leadership, groups, and ethics research are discussed.
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