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Elicitation and Context Effects in Judgments: Fixed Sum Versus Fixed Scale Frames

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  • John R. Doyle

    (Cardiff Business School, University of Wales, Cardiff CF1 3EU, United Kingdom)

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    Abstract

    Two apparently similar methods for making numerical judgments about a set of objects (point allocation and direct rating) have been shown to yield different profiles of values (here, numerical judgments) attached to Ranks. Direct rating typically leads to a nearly linear relationship of Value with Rank. When using point allocation, people tend to produce a half U-shape of Value with Rank, evidenced by a positive quadratic term in Rank, which is not present for direct rating. We argue that point allocation imposes a fixed-sum frame on the judgment task. Furthermore, certain problems, such as allocating a budget, are intrinsically framed as fixed-sum. These problems also lead to quadratic curvature of numerical judgment with Rank. We discuss the implications of these effects, both in formal and informal contexts.

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    File URL: http://dx.doi.org/10.1287/mnsc.45.7.972
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    Bibliographic Info

    Article provided by INFORMS in its journal Management Science.

    Volume (Year): 45 (1999)
    Issue (Month): 7 (July)
    Pages: 972-979

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    Handle: RePEc:inm:ormnsc:v:45:y:1999:i:7:p:972-979

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    Related research

    Keywords: numerical judgments; point allocation; direct rating; budget allocation; framing;

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    Cited by:
    1. Bottomley, Paul A. & Doyle, John R., 2013. "Comparing the validity of numerical judgements elicited by direct rating and point allocation: Insights from objectively verifiable perceptual tasks," European Journal of Operational Research, Elsevier, vol. 228(1), pages 148-157.

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