On a Shortened Method of Estimation of Mental Factors by Regression  

Oleh:

Ledermann, Walter

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 4 no. 2 (Jun. 1939), page 109-116.
Topik: Object of the Paper; Regression Formula; Numerical
Fulltext: On a Shortened Method of Estimation of Mental Factors by Regression.pdf (283.51KB)

Isi artikel

A shortened method of finding the regression for estimation of the scores on mental factors is presented. If the correlations amongn tests are accounted for byr factors, the regression equation involves the inverse of an r × r matrix instead of the inverse of an n × n matrix. Whenr is much less thann, there is considerable saving in computational labor. A numerical example is presented to illustrate the method.

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