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Estimation of the correlation coefficient in contingency tables with possibly nonmetrical characters

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Abstract

A method of estimating the product moment correlation from the polychoric series is developed. This method is shown to be a generalization of the method which uses the tetrachoric series to obtain the tetrachoric correlation. Although this new method involves more computational labor, it is shown to be superior to older methods for data grouped into a small number of classes.

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Authors and Affiliations

  1. University of Sydney, Australia

    H. O. Lancaster & M. A. Hamdan

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  1. H. O. Lancaster
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  2. M. A. Hamdan
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Lancaster, H.O., Hamdan, M.A. Estimation of the correlation coefficient in contingency tables with possibly nonmetrical characters. Psychometrika 29, 383–391 (1964). https://doi.org/10.1007/BF02289604

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  • DOI: https://doi.org/10.1007/BF02289604

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