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A Significance Test for the Hypothesis that Two Variables Measure the Same Trait Except for Errors of Measurement

Published online by Cambridge University Press:  01 January 2025

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

The likelihood-ratio significance test is derived for the hypothesis that after correction for attenuation two variables have a perfect correlation in the population from which the sample is drawn.

Type
Original Paper
Information
Psychometrika , Volume 22 , Issue 3 , September 1957 , pp. 207 - 220
Copyright
Copyright © 1957 The Psychometric Society

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Footnotes

*

The writer is indebted to Professor John W. Tukey for his valuable suggestions on an earlier draft.

References

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