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Some Symmetric, Invariant Measures of Multivariate Association

Published online by Cambridge University Press:  01 January 2025

Elliot M. Cramer*
Affiliation:
University of North Carolina at Chapel Hill
W. Alan Nicewander
Affiliation:
University of Oklahoma
*
Requests for reprints should be sent to Elliot M. Cramer, The L. L. Thurstone Psychometric Laboratory, Davie Hall, The University of North Carolina at Chapel Hill, Chapel Hill, NC, 27514.

Abstract

A distinction is drawn between redundancy measurement and the measurement of multivariate association for two sets of variables. Several measures of multivariate association between two sets of variables are examined. It is shown that all of these measures are generalizations of the (univariate) squared-multiple correlation; all are functions of the canonical correlations, and all are invariant under linear transformations of the original sets of variables. It is further shown that the measures can be considered to be symmetric and are strictly ordered for any two sets of observed variables. It is suggested that measures of multivariate relationship may be used to generalize the concept of test reliability to the case of vector random variables.

Type
Original Paper
Copyright
Copyright © 1979 The Psychometric Society

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Footnotes

The authors wish to thank Dr. Scott Maxwell for his comments and suggestions on an earlier version of this manuscript. The work of the second author was completed while serving as Visiting Associate Professor, L. L. Thurstone Psychometric Laboratory.

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