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Procedures for Obtaining Separate Set and Content Components of a Test Score

Published online by Cambridge University Press:  01 January 2025

Gerald C. Helmstadter
Gerald C. Helmstadter*
Affiliation:
Colorado State University†
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Abstract

Using two distinct models, several formulas for obtaining separate set and content components of a test score have been derived. Comparisons among the methods are made algebraically and through their application to a set of test data apparently affected by response sets.

Type
Original Paper
Information
Psychometrika , Volume 22 , Issue 4 , December 1957 , pp. 381 - 393
Copyright
Copyright © 1957 The Psychometric Society

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Footnotes

*

The author wishes to thank Dr. Norman Frederiksen, who brought this problem to his attention, and Drs. Ledyard R Tucker and Frederic M. Lord, who suggested three of the procedures. All have contributed materially to this paper through many helpful suggestions and criticisms.

†

This paper was written while the author was an Associate in Research at the Educational Testing Service, Princeton, New Jersey.

References

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