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1 results

  • An Entropy Approach to the Scaling of Ordinal Categorical Data

  • T. R. Jefferson, J. H. May, N. Ravi
  • Journal:
    Psychometrika / Volume 54 / Issue 2 / June 1989
    Published online by Cambridge University Press:
    01 January 2025, pp. 203-215

  • This paper studies the problem of scaling ordinal categorical data observed over two or more sets of categories measuring a single characteristic. Scaling is obtained by solving a constrained entropy model which finds the most probable values of the scales given the data. A Kullback-Leibler statistic is generated which operationalizes a measure for the strength of consistency among the sets of categories. A variety of data of two and three sets of categories are analyzed using the entropy approach.