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A First-Order Method for Estimating Correlation Coefficients

Published online by Cambridge University Press:  01 January 2025

John A. Weichelt
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Abstract

A rapid method of estimating a correlation coefficient is given. The method expresses the correlation coefficient as the ratio between two differences in sums (or means) of the dependent variable computed only for extremes of the bivariate distribution. A trial shows that this method gives results similar to the product-moment correlation coefficient. Extensions of the method to qualitative data are also suggested.

Type
Original Paper
Information
Psychometrika , Volume 11 , Issue 4 , December 1946 , pp. 215 - 221
Copyright
Copyright © 1946 The Psychometric Society

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