, Volume 37, Issue 1, pp 103–106 | Cite as

The fisher-yates exact test and unequal sample sizes

  • Edgar M. Johnson


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.


Public Policy Statistical Theory Unequal Sample Size 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


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

Copyright information

© Psychometric Society 1972

Authors and Affiliations

  • Edgar M. Johnson
    • 1
  1. 1.U. S. Army Human Engineering LaboratoryUSA

Personalised recommendations