COMPARISON OF ROLE DIFFERENTIATION IN SEVERAL SITUATIONS.
STANFORD UNIV CALIF GRADUATE SCHOOL OF BUSINESS
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Twenty-four five man groups of MBA students discussed human relations cases in four half-hour sessions. There were 12 groups from the Stanford MBA class of 1966 and 12 from the class of 1967. An observer recorded the amount of time each student talked. Students ranked each other on Best Ideas, Guidance, Leader and Being Liked. Less role differentiation was found in both of these studies as compared with a study performed by Bales and Slater. Comparisons between these two studies at Stanford showed that one class tended to have less role differentiation by the fourth session. Differences in experimental conditions were discussed that could have reduced the subjects commitment and interest in the task in the class that had greater role differentiation. The study confirmed Bales and Slaters finding that role differentiation was less in groups with high status-consensus. Author