The Cost of Dichotomization

作者: Jacob Cohen

DOI: 10.1177/014662168300700301

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摘要: Assuming bivariate normality with correlation r, di-chotomizing one variable at the mean results in the re-duction in variance accounted for to. 647r’; and dichot-omizing both at the mean…

参考文章(4)
Lloyd G. Humphreys, Allen Fleishman, Pseudo-Orthogonal and Other Analysis of Variance Designs Involving Individual-Differences Variables. Journal of Educational Psychology. ,vol. 66, pp. 464- 472 ,(1974) , 10.1037/H0036539
Charles C. Peters, Walter R. Van Voorhis, Statistical procedures and their mathematical bases. Statistical procedures and their mathematical bases.. ,(1940) , 10.1037/13596-000
Edward R. Tufte, Jacob Cohen, Patricia Cohen, Applied Multiple Regression/Correlation Analysis for the Behavioral Sciences. Journal of the American Statistical Association. ,vol. 74, pp. 485- ,(1979) , 10.2307/2286442