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A Note on Optimal Test Length

Published online by Cambridge University Press:  01 January 2025

Paul Horst
Paul Horst*
Affiliation:
University of Washington
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Abstract

Elsewhere in this issue is an article by Dr. Calvin Taylor entitled “Maximizing Predictive Efficiency for a Fixed Total Testing Time.” The purpose of this note is to point out that the formulation developed by Dr. Taylor is mathematically equivalent to one presented by me in a previous issue of this journal.

We start from Taylor’s equation (36) .

Type
Original Paper
Information
Psychometrika , Volume 15 , Issue 4 , December 1950 , pp. 407 - 408
Copyright
Copyright © 1950 The Psychometric Society

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Footnotes

*

Horst, Paul. Determination of optimal test length to maximize the multiple correlation. Psychometrika, 1949, 14, 79–88.