Psychometrika

, Volume 30, Issue 3, pp 373–376 | Cite as

An empirical study of item-test regression

  • Frederic M. Lord
Article

Abstract

Certain questions about the shape of item-test regressions are answered on the basis of data obtained from 103,275 examinees. Ten of the regressions obtained are shown in illustrative plots.

Keywords

Empirical Study Public Policy Statistical Theory Illustrative Plot 

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Reference

  1. [1]
    Lord, F. M. A note on the normal ogive or logistic curve in item analysis.Psychometrika,30, 1965, 371–372.Google Scholar

Copyright information

© Psychometric Society 1965

Authors and Affiliations

  • Frederic M. Lord
    • 1
  1. 1.Educational Testing ServiceUSA

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