ISSN : 1229-0653
The present study examined how group composition and instrumentality of individual contribution to a group task affect the performance of stereotype targets in groups. The composition of groups was manipulated by assigning female participants to either a same-sex group (with one female confederate) or a mixed-sex group (with one male confederate). Instrumentality of individual contribution was manipulated by leading the female participants to believe that their own performance would determine either 70% or 30% of group performance. Drawing on previous research on stereotype threat, the present study hypothesized that female participants would perform better in the same-sex condition than in the mixed-sex condition. In addition, it was hypothesized that female participants would perform better in the high instrumentality condition than in the low instrumentality condition. Using a handgrip task, the present study found supportive evidence for the two predicted main effect hypotheses. However, unlike the predicted interaction effect, female participants performed better in the same-sex condition than in the mixed-sex condition when the perceived instrumentality of individual contribution was high. In contrast, group composition did not have a significant effect when the perceived instrumentality was low. These findings were interpreted in terms of motivation gain and social loafing among females in a stereotype threat situation. Implications of the study and future directions are discussed.
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