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Information Sharing, Cognitive Centrality, and Influence Among Business Executives During Collective Choice

58 Pages Posted: 31 Oct 2005  

Susanne Abele

Erasmus Research Institute of Management (ERIM)

Garold Stasser

Miami University of Ohio - Department of Psychology

Sandra I. Vaughan-Parsons

Howard Community College

Date Written: September 2005 6,

Abstract

Laboratory studies have shown that decision-making groups tend to focus on common information at the expense of unique information. In the current study, high level business executives completed a personnel selection task. Access to information about the candidates was not controlled as in a typical study of information sharing, but common, partially shared, and unique information arose naturally from the individual members information searches. During subsequent discussions, groups mentioned more common than partially shared than unique information. However, the underlying processes seemed to be different from what has been observed in laboratory studies. The popularity of information in the population from which groups were composed predicted both the number of a groups members who accessed an item in their information searches and whether the group discussed the item. However, the number of group members who accessed an item did predict whether information was repeated during discussion, and repetition predicted which items were included on a final written summary. Finally, cognitively central group members were more influential than cognitively peripheral members.

Keywords: information sharing, cognitive centrality, group decision making, hidden profiles, collective choice

JEL Classification: M, M10, D7, L2, M12

Suggested Citation

Abele, Susanne and Stasser, Garold and Vaughan-Parsons, Sandra I., Information Sharing, Cognitive Centrality, and Influence Among Business Executives During Collective Choice (September 2005 6,). ERIM Report Series Reference No. ERS-2005-037-ORG. Available at SSRN: https://ssrn.com/abstract=800211

Susanne Abele (Contact Author)

Erasmus Research Institute of Management (ERIM) ( email )

P.O. Box 1738
3000 DR Rotterdam
Netherlands

Garold Stasser

Miami University of Ohio - Department of Psychology

Oxford, OH 45056
United States

Sandra Vaughan-Parsons

Howard Community College

1001 Birdwell Lane
Big Spring, TX 79720
United States

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