Estimation of Other Coefficients of Correlation from The Phi Coefficient  

Oleh:

Guilford, J. P. ; Perry, Norman C.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 16 no. 3 (Sep. 1951), page 335-346.
Topik: Coefficients of Correlation; Correction Formula; Phi Coefficient
Fulltext: Estimation of Other Coefficients of Correlation from The Phi Coefficient.pdf (449.99KB)

Isi artikel

Formulas are developed for estimating a point-biserialr or a tetrachoricr from an obtained phi coefficient. The estimate of a tetrachoricr, which is calledr f, is shown to be equivalent to that obtained from first-order use of the tetrachoricr series. A tabulation is made of corrections needed to maker f equivalent numerically to the tetrachoricr. In spite of its greater generality than estimates of tetrachoricr by previous methods, there are limitations, which are pointed out.

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