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Calculation of the tetrachoric correlation coefficient

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Abstract

A new subroutine has been developed for calculating the terachoric correlation coefficient. Recent advances in computing inverse normal and bivariate normal distributions have been utilized. The iterative procedure is started with an approximation with an error less than±.0135.

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Authors and Affiliations

  1. Test Scoring & Evaluation Services, Syracuse University, 13210, Syracuse, NY

    D. R. Divgi

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  1. D. R. Divgi
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I am grateful to the Editor for valuable suggestions for improving the presentation.

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Divgi, D.R. Calculation of the tetrachoric correlation coefficient. Psychometrika 44, 169–172 (1979). https://doi.org/10.1007/BF02293968

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  • DOI: https://doi.org/10.1007/BF02293968

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