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Effects of Anonymity and Evaluative Tone on Idea Generation in Computer-Mediated Groups

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Author Info

  • Terry Connolly

    (Karl Eller Graduate School of Management, University of Arizona, Tucson, Arizona 85721)

  • Leonard M. Jessup

    (MIS Department, California State University, San Marcos, California 92069)

  • Joseph S. Valacich

    (Karl Eller Graduate School of Management, University of Arizona, Tucson, Arizona 85721)

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    Abstract

    A laboratory experiment was used to evaluate the effects of anonymity and evaluative tone on computer-mediated groups using a group decision support system to perform an idea-generation task. Evaluative tone was manipulated through a confederate group member who entered supportive or critical comments into the automated brainstorming system. Groups working anonymously and with a critical confederate produced the greatest number of original solutions and overall comments, yet average solution quality per item and average solution rarity were not different across conditions. Identified groups working with a supportive confederate were the most satisfied and had the highest levels of perceived effectiveness, but produced the fewest original solutions and overall comments.

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    File URL: http://dx.doi.org/10.1287/mnsc.36.6.689
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    Bibliographic Info

    Article provided by INFORMS in its journal Management Science.

    Volume (Year): 36 (1990)
    Issue (Month): 6 (June)
    Pages: 689-703

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    Handle: RePEc:inm:ormnsc:v:36:y:1990:i:6:p:689-703

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    Related research

    Keywords: anonymity; evaluative tone; group problem solving; group decision support system; electronic meeting system;

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    Cited by:
    1. Alge, Bradley J. & Wiethoff, Carolyn & Klein, Howard J., 2003. "When does the medium matter? Knowledge-building experiences and opportunities in decision-making teams," Organizational Behavior and Human Decision Processes, Elsevier, vol. 91(1), pages 26-37, May.
    2. Karacapilidis, Nikos I. & Pappis, Costas P., 1997. "A framework for group decision support systems: Combining AI tools and OR techniques," European Journal of Operational Research, Elsevier, vol. 103(2), pages 373-388, December.
    3. Bhappu, Anita D. & Griffith, Terri L. & Northcraft, Gregory B., 1997. "Media Effects and Communication Bias in Diverse Groups," Organizational Behavior and Human Decision Processes, Elsevier, vol. 70(3), pages 199-205, June.
    4. Baltes, Boris B. & Dickson, Marcus W. & Sherman, Michael P. & Bauer, Cara C. & LaGanke, Jacqueline S., 2002. "Computer-Mediated Communication and Group Decision Making: A Meta-Analysis," Organizational Behavior and Human Decision Processes, Elsevier, vol. 87(1), pages 156-179, January.
    5. Qureshi, S. & Liu, M. & Vogel, D., 2004. "A Grounded Theory Analysis of E-Collaboration Effects for Distributed Project Management," ERIM Report Series Research in Management ERS-2004-059-LIS, Erasmus Research Institute of Management (ERIM), ERIM is the joint research institute of the Rotterdam School of Management, Erasmus University and the Erasmus School of Economics (ESE) at Erasmus Uni.
    6. Wilson, Jeanne M. & Straus, Susan G. & McEvily, Bill, 2006. "All in due time: The development of trust in computer-mediated and face-to-face teams," Organizational Behavior and Human Decision Processes, Elsevier, vol. 99(1), pages 16-33, January.
    7. Daily, Bonnie F. & Teich, Jeffrey E., 2001. "Perceptions of contribution in multi-cultural groups in non-GDSS and GDSS environments," European Journal of Operational Research, Elsevier, vol. 134(1), pages 70-83, October.

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