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Stepwise regression shows group size significantly affects original idea generation in focus groups, suggesting moderation strategies.
Stepwise regression was used to test the empirical findings of Edward F. Fern’s investigation of focus grouping outcomes. Results indicate that group size and participant involvement significantly impact on the quantity of original idea generation. The findings suggest strategies appropriate for moderating focus group interviews.
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Jo Ann L. Asquith (1994) studied this question.
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