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Statistical Inferences About True Scores

Published online by Cambridge University Press:  01 January 2025

Frederic M. Lord
Frederic M. Lord*
Affiliation:
Educational Testing Service
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Abstract

Formulas are derived for unbiased sample estimators of any raw or central moment of the frequency distribution of true scores. A general method is developed for obtaining from each examinee's observed score a least squares estimate of his true score.

Type
Original Paper
Information
Psychometrika , Volume 24 , Issue 1 , March 1959 , pp. 1 - 17
Copyright
Copyright © 1959 The Psychometric Society

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Footnotes

*

This research was carried out under contract Nonr-2214(00) with the Office of Naval Research, Department of the Navy.

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