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Evaluation of Wine Judge Performance through Three Characteristics: Bias, Discrimination, and Variation

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  • Cao, Jing
  • Stokes, Lynne

Abstract

Judge performance is a critical component of a wine competition's success. A number of studies have shown that wine judges may differ considerably in their opinions. In this paper, we have conducted an in-depth examination of wine judge performance at a U.S. wine competition. Three characteristics of judge's performance are examined: bias, discrimination ability, and variation. Based on the analysis, we can identify the judges who had discrepant scoring patterns and can gain insight into which of the three characteristics cause particular judges to disagree. The evaluation of wine judge performance through these three characteristics may provide useful information for training them to have consistent performance and in assisting competition coordinators in judge selection. (JEL Classification: C1, D8, Q13)

Suggested Citation

  • Cao, Jing & Stokes, Lynne, 2010. "Evaluation of Wine Judge Performance through Three Characteristics: Bias, Discrimination, and Variation," Journal of Wine Economics, Cambridge University Press, vol. 5(1), pages 132-142, April.
    • Handle: RePEc:cup:jwecon:v:5:y:2010:i:01:p:132-142_00
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    Cited by:

    1. Jean-Marie Cardebat & Paola Corsinovi & Davide Gaeta, 2018. "Do Top 100 wine lists provide consumers with better information?," Economics Bulletin, AccessEcon, vol. 38(2), pages 983-994.
    2. Outreville, 2015. "The market structure-performance relationship applied to the Canadian wine industry," Applied Economics Letters, Taylor & Francis Journals, vol. 22(18), pages 1486-1492, December.

    More about this item

    JEL classification:

    • C1 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • Q13 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Markets and Marketing; Cooperatives; Agribusiness

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