Optimal Test Length for Maximum Differential Prediction  

Oleh:

Horst, Paul

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 21 no. 1 (Mar. 1956), page 51-66.
Topik: Test Length; Differential Prediction; Mathematical Derivation
Fulltext: Vol 21 No.1 Mar 1956 p.51-66.pdf (564.48KB)

Isi artikel

For the case of a single criterion a method is already available for determining the optimal distribution of testing time for a battery of predictors, assuming that intercorrelation, validity, and reliability data are available for predictors of arbitrary lengths. In this article a modification and generalization of the method is presented for the case of differential prediction involving a number of criterion variables. A numerical example is given to illustrate the method, after which the mathematical rationale is outlined.

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