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A Mechanical Model Illustrating the Scatter Diagram with Oblique Test Vectors

Published online by Cambridge University Press:  01 January 2025

Harold Gulliksen  and
Ledyard R Tucker
Harold Gulliksen
Affiliation:
Princeton University and Educational Testing Service
Ledyard R Tucker
Affiliation:
Princeton University and Educational Testing Service
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Abstract

A mechanical model is described for illustrating changes in the configuration of points when the reference axes are rotated obliquely and the values of the orthogonal projections of the points on the reference axes are maintained constant. This type of transformation is important in factor analysis.

Type
Original Paper
Information
Psychometrika , Volume 16 , Issue 2 , June 1951 , pp. 233 - 238
Copyright
Copyright © 1951 The Psychometric Society

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References

Thomson, Godfrey H. The factorial analysis of human ability, New York: Houghton Mifflin Co., 1946.Google Scholar
Thurstone, L. L. Multiple-factor analysis, Chicago: The University of Chicago Press, 1947.Google Scholar