An improved Bonferroni procedure for multiple tests of significance

  title={An improved Bonferroni procedure for multiple tests of significance},
  author={Robert John Simes},
  • R. Simes
  • Published 1 December 1986
  • Business
  • Biometrika
SUMMARY A modification of the Bonferroni procedure for testing multiple hypotheses is presented. The method, based on the ordered p-values of the individual tests, is less conservative than the classical Bonferroni procedure but is still simple to apply. A simulation study shows that the probability of a type I error of the procedure does not exceed the nominal significance level, a, for a variety of multivariate normal and multivariate gamma test statistics. For independent tests the procedure… 

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