Rank-Biserial Correlation

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Description

<jats:p>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's <jats:italic>τ</jats:italic> and Spearman's <jats:italic>ρ</jats:italic>.</jats:p>

Journal

  • Psychometrika

    Psychometrika 21 (3), 287-290, 1956-09

    Cambridge University Press (CUP)

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