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Post-decision consolidation: Group members in different social settings compared to individual decision makers
Univ Lund, Dept Psychol, S-22100 Lund, Sweden.
2000 (English)In: Scandinavian Journal of Psychology, ISSN 0036-5564, Vol. 41, no 4, 275-282 p.Article in journal (Refereed) Published
Abstract [en]

Two experiments were conducted to examine how making decisions in a 3-member group affects the degree of post-decision consolidation, defined as attractiveness changes in favor of the chosen alternative. Both experiments were conducted in two sessions one week apart. In the first session (decision phase), participants estimated the importance of each of four different attributes describing two decision alternatives. They were then shown predetermined attractiveness ratings on each of the attributes and were to decide on the two alternatives, either individually or as a group. In the second session (post-decision phase), the participants were to attempt to recall the attractiveness ratings for the attributes as presented to them in session one. In both experiments, significant post-decision consolidation was found for individual decision makers but not for group members. In experiment 2, this result was replicated, no difference in consolidation being found between group members with face-to-face interaction and without.

Place, publisher, year, edition, pages
2000. Vol. 41, no 4, 275-282 p.
Keyword [en]
decision making, group discussion, social interaction processes, post-decision processes
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-49495OAI: diva2:270391
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-14

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