Systematic Error in Estimates of Tetrachoric R

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References

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Hertzka, A. F. , Michael, W. B. , and Perry, N. C. "Systematic Error in Estimates of a Phi Coefficient." EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, XII (1952), 285-92.

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Perry, N. C. , and Michael, W. B. "The Estimation of a Phi Coefficient for an Entire Criterion Group from a Phi Coefficient Calculated from Use of the Extreme Tails of a Normal Distribution of Criterion Scores". EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, XI (1951), 629-38.

Perry, N. C. , and Michael, W. B. "The Relationship of the Tetrachoric Correlation Coefficient to the Phi Coefficient Estimated from the Use of the Extreme Tails of a Normal Distribution of Criterion Scores". EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT (to be printed).