Statistical Bias in Maximum Likelihood Estimators of Item Parameters.

Abstract

Formulas are derived for the bias in the maximum likelihood estimators of the item parameters in the logistic item response model when examinee abilities are known. Numerical results are given for a typical verbal test for college admission. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1982
Accession Number
ADA114995

Entities

People

  • Frederic M. Lord

Organizations

  • Educational Testing Service

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  • Human Systems

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Fields of Study

  • Mathematics

Readers

  • Psychometric Testing or Psychological Assessment.
  • Statistical inference.