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A note on the normal ogive or logistic curve in item analysis

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Abstract

It is common to assume that the proportion of correct answers to an item has a normal-ogive or logistic relationship to total test score. However, this is shown to be a mistaken and an undesirable notion.

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Reference

  1. Lord, F. M. The relation of test score to the trait underlying the test.Educ. psychol. Measmt, 1953,4, 517–549.

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Authors and Affiliations

  1. Educational Testing Service, USA

    Frederic M. Lord

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  1. Frederic M. Lord
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Lord, F.M. A note on the normal ogive or logistic curve in item analysis. Psychometrika 30, 371–372 (1965). https://doi.org/10.1007/BF02289500

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  • DOI: https://doi.org/10.1007/BF02289500

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