Truncation and its effect on standard error of correlation coefficients
AuthorDurney, Ann Wells
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PublisherThe University of Arizona.
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AbstractA Monte Carlo study was conducted to investigate the effect of truncation of score distributions on systematic bias and random error of correlation coefficient distributions. The findings were twofold: Correlation decreases systematically due to increasing truncation; and the standard error of the correlation coefficient, which is a measure of random error, increases due to increasing truncation.