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A Note on the Estimation of Nonspurious Correlations

Published online by Cambridge University Press:  01 January 2025

William H. Angoff
William H. Angoff*
Affiliation:
Educational Testing Service
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Abstract

A method is provided for estimating the nonspurious correlation of a part of a test with the total test. Two cases are considered: one in which the actual subtest is parallel to the total test, the other in which the actual subtest is not parallel to the total test.

Keywords

Public PolicyStatistical TheoryTotal Test
Type
Original Paper
Information
Psychometrika , Volume 21 , Issue 3 , September 1956 , pp. 295 - 297
Copyright
Copyright © 1956 The Psychometric Society

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References

Angoff, W. H.. Test reliability and effective test length. Psychometrika, 1953, 18, 1–14CrossRefGoogle Scholar