Calculation of the tetrachoric correlation coefficient |
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| Authors: | D. R. Divgi |
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| Affiliation: | (1) Test Scoring & Evaluation Services, Syracuse University, 13210 Syracuse, NY |
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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.I am grateful to the Editor for valuable suggestions for improving the presentation. |
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