A Note on The Discovery of ag Factor by Means of Thurstone's Centroid Method of Analysis  

Oleh:

Guilford, J. P.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 6 no. 3 (Jun. 1941), page 205-208.
Topik: ag Factor; Thurstone's centroid
Fulltext: A Note on The Discovery of ag Factor by Means of Thurstone's Centroid Method of Analysis.pdf (185.9KB)

Isi artikel

A fictitious factor matrix including 16 tests and 3 factors, one of which was ag factor, was prescribed. From it two typical factor problems, including errors of sampling, were derived. Students in training, without awareness of the factor patterns, arrived at essentially correct solutions by the use of Thurstone's centroid method with rotation of axes. Errors in the calculated factor matrix were very close in size to the sampling errors in the correlation coefficients. It is concluded that ag factor need not escape detection by Thurstone's procedures if the criteria of complete simple structure are not demanded.

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