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The Fisher-Yates Exact Test and Unequal Sample Sizes

Published online by Cambridge University Press:  01 January 2025

Edgar M. Johnson
Edgar M. Johnson*
Affiliation:
U. S. Army Human Engineering Laboratory
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Abstract

A computational short cut suggested by Feldman and Klinger for the one-sided Fisher-Yates exact test is clarified and is extended to the calculation of probability values for certain two-sided tests when sample sizes are unequal.

Information

Type
Original Paper
Information
Psychometrika , Volume 37 , Issue 1 , March 1972, pp. 103 - 106
Copyright
Copyright © 1972 The Psychometric Society

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Footnotes

*

Now at the U.S. Army Behavior and Systems Research Laboratory, 1300 Wilson Boulevard, Arlington, Virginia 22209

References

Feldman, S. E. & Klinger, E. Short cut calculation of the Fisher-Yates “exact test.”. Psychometrika, 1963, 28, 289–291CrossRefGoogle Scholar
Finney, D. U. The Fisher-Yates test of significance in 2 × 2 contingency tables. Biometrika, 1948, 35, 145–156Google Scholar
Hays, W. L. Statistics for psychologists, 1963, New York: Holt, Rinehart and WinstonGoogle Scholar
Siegel, S. Nonparametric statistics, 1956, New York: McGraw-HillGoogle Scholar