Expert Role Assignment and Information Sampling During Collective Recall and Decision Making

Dennis D. Stewart, Garold Stasser

Research output: Contribution to journalArticle

243 Scopus citations

Abstract

Previous research has found that decision-making groups do not effectively pool unshared information. This study examined how personal expertise facilitates the mentioning and validation of unshared information in collective recall and decision-making groups by increasing members' awareness of who holds what types of information. Assigned expertise increased substantially the proportion of unshared information mentioned during both collective recall and decision-making tasks. Two results supported the hypothesis that assigned expertise provides validation for the recall of unshared information. When expertise was assigned, (a) more of the unshared information mentioned during the recall task was retained on the collectively endorsed written protocol, and (b) unshared information that was mentioned in discussion was more likely to be correctly recognized by members after group interaction.

Original languageEnglish (US)
Pages (from-to)619-628
Number of pages10
JournalJournal of personality and social psychology
Volume69
Issue number4
DOIs
StatePublished - Oct 1995
Externally publishedYes

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