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Judgmental aggregation strategies depend on whether the self is involved

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  • Soll, Jack B.
  • Mannes, Albert E.

Abstract

We report the results of a novel experiment that addresses two unresolved questions in the judgmental forecasting literature. First, how does combining the estimates of others differ from revising one's own estimate based on the judgment of another? The experiment found that participants often ignored advice when revising an estimate but averaged estimates when combining. This was true despite receiving identical feedback about the accuracy of past judgments. Second, why do people consistently tend to overweight their own opinions at the expense of profitable advice? We compared two prominent explanations for this, differential access to reasons and egocentric beliefs, and found that neither adequately accounts for the overweighting of the self. Finally, echoing past research, we find that averaging opinions is often advantageous, but that choosing a single judge can perform well in certain predictable situations.

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  • Soll, Jack B. & Mannes, Albert E., 2011. "Judgmental aggregation strategies depend on whether the self is involved," International Journal of Forecasting, Elsevier, vol. 27(1), pages 81-102, January.
    • Handle: RePEc:eee:intfor:v:27:y::i:1:p:81-102
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    References listed on IDEAS

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    1. Albert E. Mannes, 2009. "Are We Wise About the Wisdom of Crowds? The Use of Group Judgments in Belief Revision," Management Science, INFORMS, vol. 55(8), pages 1267-1279, August.
    2. Littlepage, Glenn & Robison, William & Reddington, Kelly, 1997. "Effects of Task Experience and Group Experience on Group Performance, Member Ability, and Recognition of Expertise," Organizational Behavior and Human Decision Processes, Elsevier, vol. 69(2), pages 133-147, February.
    3. Klayman, Joshua & Soll, Jack B. & Gonzalez-Vallejo, Claudia & Barlas, Sema, 1999. "Overconfidence: It Depends on How, What, and Whom You Ask, , , , , , , , ," Organizational Behavior and Human Decision Processes, Elsevier, vol. 79(3), pages 216-247, September.
    4. Clemen, Robert T., 1989. "Combining forecasts: A review and annotated bibliography," International Journal of Forecasting, Elsevier, vol. 5(4), pages 559-583.
    5. Fischer, Ilan & Harvey, Nigel, 1999. "Combining forecasts: What information do judges need to outperform the simple average?," International Journal of Forecasting, Elsevier, vol. 15(3), pages 227-246, July.
    6. Harvey, Nigel & Harries, Clare, 2004. "Effects of judges' forecasting on their later combination of forecasts for the same outcomes," International Journal of Forecasting, Elsevier, vol. 20(3), pages 391-409.
    7. Richard P. Larrick & Jack B. Soll, 2006. "Erratum--Intuitions About Combining Opinions: Misappreciation of the Averaging Principle," Management Science, INFORMS, vol. 52(2), pages 309-310, February.
    8. Larrick, Richard P. & Boles, Terry L., 1995. "Avoiding Regret in Decisions with Feedback: A Negotiation Example," Organizational Behavior and Human Decision Processes, Elsevier, vol. 63(1), pages 87-97, July.
    9. Sniezek, Janet A. & Buckley, Timothy, 1995. "Cueing and Cognitive Conflict in Judge-Advisor Decision Making," Organizational Behavior and Human Decision Processes, Elsevier, vol. 62(2), pages 159-174, May.
    10. Yaniv, Ilan & Kleinberger, Eli, 2000. "Advice Taking in Decision Making: Egocentric Discounting and Reputation Formation," Organizational Behavior and Human Decision Processes, Elsevier, vol. 83(2), pages 260-281, November.
    11. Harvey, Nigel & Harries, Clare & Fischer, Ilan, 2000. "Using Advice and Assessing Its Quality," Organizational Behavior and Human Decision Processes, Elsevier, vol. 81(2), pages 252-273, March.
    12. Harvey, Nigel & Fischer, Ilan, 1997. "Taking Advice: Accepting Help, Improving Judgment, and Sharing Responsibility," Organizational Behavior and Human Decision Processes, Elsevier, vol. 70(2), pages 117-133, May.
    13. Budescu, David V. & Rantilla, Adrian K. & Yu, Hsiu-Ting & Karelitz, Tzur M., 2003. "The effects of asymmetry among advisors on the aggregation of their opinions," Organizational Behavior and Human Decision Processes, Elsevier, vol. 90(1), pages 178-194, January.
    14. Harvey, Nigel, 1995. "Why Are Judgments Less Consistent in Less Predictable Task Situations?," Organizational Behavior and Human Decision Processes, Elsevier, vol. 63(3), pages 247-263, September.
    15. Scott E. Page, 2007. "Prologue to The Difference: How the Power of Diversity Creates Better Groups, Firms, Schools, and Societies," Introductory Chapters, in: The Difference: How the Power of Diversity Creates Better Groups, Firms, Schools, and Societies, Princeton University Press.
    16. Baumann, Michael R. & Bonner, Bryan L., 2004. "The effects of variability and expectations on utilization of member expertise and group performance," Organizational Behavior and Human Decision Processes, Elsevier, vol. 93(2), pages 89-101, March.
    17. Yaniv, Ilan, 1997. "Weighting and Trimming: Heuristics for Aggregating Judgments under Uncertainty," Organizational Behavior and Human Decision Processes, Elsevier, vol. 69(3), pages 237-249, March.
    18. Yaniv, Ilan & Milyavsky, Maxim, 2007. "Using advice from multiple sources to revise and improve judgments," Organizational Behavior and Human Decision Processes, Elsevier, vol. 103(1), pages 104-120, May.
    19. Sniezek, Janet A. & Henry, Rebecca A., 1989. "Accuracy and confidence in group judgment," Organizational Behavior and Human Decision Processes, Elsevier, vol. 43(1), pages 1-28, February.
    20. Baron, Jonathan & Ritov, Ilana, 1994. "Reference Points and Omission Bias," Organizational Behavior and Human Decision Processes, Elsevier, vol. 59(3), pages 475-498, September.
    21. Yaniv, Ilan, 2004. "Receiving other people's advice: Influence and benefit," Organizational Behavior and Human Decision Processes, Elsevier, vol. 93(1), pages 1-13, January.
    22. Bonaccio, Silvia & Dalal, Reeshad S., 2006. "Advice taking and decision-making: An integrative literature review, and implications for the organizational sciences," Organizational Behavior and Human Decision Processes, Elsevier, vol. 101(2), pages 127-151, November.
    23. Richard P. Larrick & Jack B. Soll, 2006. "Intuitions About Combining Opinions: Misappreciation of the Averaging Principle," Management Science, INFORMS, vol. 52(1), pages 111-127, January.
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