The Bi-factor method |
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| Authors: | Karl J. Holzinger Frances Swineford |
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| Affiliation: | (1) University of Chicago, USA |
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| Abstract: | The Bi-factor Method of factor analysis is described and illustrated with a small group of fourteen tests. A detailed illustration is given of how the method may be modified to the case of overlapping group factors. It is advocated that the Bi-factor pattern in unmodified form be used to determine the adequacy of tests for the measurement of unitary traits. |
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