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Comparison of Two Factorial Analyses

Published online by Cambridge University Press:  01 January 2025

Karl J. Holzinger  and
Harry H. Harman
Karl J. Holzinger
Affiliation:
University of Chicago
Harry H. Harman
Affiliation:
University of Chicago
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Abstract

A Bi-factor analysis is made of Professor Thurstone's battery of fifty-seven tests employing his tetrachoric correlations. Although this analysis is made entirely independent of his multiple factor analysis, a very close agreement is found between the group factors obtained here and Thurstone's verbal descriptions previously published.

Type
Original Paper
Information
Psychometrika , Volume 3 , Issue 1 , March 1938 , pp. 45 - 60
Copyright
Copyright © 1938 The Psychometric Society

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Footnotes

*

L. L. Thurstone, “The Factorial Isolation of Primary Abilities,” Psychometrika, 1936, 1, No. 3, pp. 175-182. The present analysis was made immediately after the appearance of this article. The publicatien of our article was properly postponed until the appearance of Professor Thurstone's numerical solution.

References

1 First introduced in Preliminarry Report on Spearman-Holzinger Unitary Trait Study, No. 7. Prepared at the Statistical Laboratory, Department of Education, University of Chicago, 1936.

2 The rejection of test 28 as the fourth test in the “spatial” group and its retention later as the twelfth test is an example to be found in Section 3.

1 See Preliminary Report on Spearman-Holzinger Unitary Trait Study, No. 2, equation (6).

1 Holzinger, K. J., and Harman, H. H., “Relationship between Factors obtained from Certain Analyses,” The Journal of Educational Psychology, May, 1937, pp. 321-346.