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Group Processes & Intergroup Relations, Vol. 7, No. 2,
161-172 (2004)
DOI: 10.1177/1368430204043723
© 2004 SAGE Publications
Effects of Status Difference and Group Size in Group Decision Making
Yohsuke Ohtsubo
Nara University
Ayumi Masuchi
Hokkai Gakuen University
The purpose of this study was to empirically test the finding of Ohtsubo, Fujita, and Kameda’s (in press) thought experiment regarding the relation between the high status member’s influence and the number of low status members in the decision-making groups. Against intuition, the thought experiment showed that increasing low status memberswould not necessarily undermine the high status member’s influence. This study had three-,four-, and five-person groups engage in group decision-making tasks while manipulatingstatus difference by bogus feedback about task-relevant ability. Results showed that the high status members’ overall influence increased when the number of low status membersincreased from three to four. The Social Decision Scheme Model analyses, however,suggested that the observed aggretation process was different from the one assumed inthe thought experiment.
Key Words: group decision making • group size • social decision scheme model • status difference
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