, Volume 21, Issue 3, pp 287–290 | Cite as

Rank-biserial correlation

  • Edward E. Cureton


A formula is developed for the correlation between a ranking (possibly including ties) and a dichotomy, with limits which are always ±1. This formula is shown to be equivalent both to Kendall'sτ and Spearman'sρ.


Public Policy Statistical Theory 
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  1. 1.
    Durbin, J. and Stuart, A. Inversions and rank correlation coefficients.J. roy. statist. Soc., 1951,13, 303–9.Google Scholar
  2. 2.
    Kendall, M. G. Rank correlation methods. London, Charles Griffin and Co., 1948, Ch. 3.Google Scholar
  3. 3.
    Mann, H. B. and Whitney, D. R. On a test of whether one of two random variables is stochastically larger than the other.Ann. math. Statist., 1947,18, 50–60.Google Scholar

Copyright information

© Psychometric Society 1956

Authors and Affiliations

  • Edward E. Cureton
    • 1
  1. 1.University of TennesseeUSA

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