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In a study of 49 graduate and 172 undergraduate marketing project teams, the average of the individual abilities on the team was found to predict student team performance. Team size had little effect, and gender diversity had no effect on team performance. Among graduate teams, those with a moderate amount of nationality diversity outperformed teams with high or no nationality diversity. The implications of these and other findings for course administration and team assignment are discussed.
Bacon et al. (Wed,) studied this question.