Marketing instructors using simulation games as a way of inducing some realism into a marketing course are faced with many dilemmas. Two important quandaries are the optimal size of groups and how much of the students' time should ideally be devoted to the game. Using evidence from a very large sample of teams playing a simulation game, the study…

College students, ranked as high, medium, or low ability, were assigned to homogeneous or mixed-ability groups of two through five members for a test. Performance proved proportional to the number of high ability group members. The underlying group process was inferred through social decision scheme analysis. (Author/SJL)