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The Relationship between External Variables and Common Factors

Published online by Cambridge University Press:  01 January 2025

James H. Steiger*
Affiliation:
University of British Columbia
*
Requests for reprints should be sent to Dr. James H. Steiger, Department of Psychology, University of British Columbia, Vancouver, B.C., CANADA V6T 1W5.

Abstract

A theorem is presented which gives the range of possible correlations between a common factor and an external variable (i.e., a variable not included in the test battery factor analyzed). Analogous expressions for component (and regression component) theory are also derived. Some situations involving external correlations are then discussed which dramatize the theoretical differences between components and common factors.

Information

Type
Original Paper
Copyright
Copyright © 1979 The Psychometric Society

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