7. Comparing Variables of Ordinal or Dichotomous Scales: Spearman Rank-Order, Point-Biserial, and Biserial Correlations

  1. Gregory W. Corder and
  2. Dale I. Foreman

Published Online: 13 SEP 2011

DOI: 10.1002/9781118165881.ch7

Nonparametric Statistics for Non-Statisticians: A Step-by-Step Approach

Nonparametric Statistics for Non-Statisticians: A Step-by-Step Approach

How to Cite

Corder, G. W. and Foreman, D. I. (2009) Comparing Variables of Ordinal or Dichotomous Scales: Spearman Rank-Order, Point-Biserial, and Biserial Correlations, in Nonparametric Statistics for Non-Statisticians: A Step-by-Step Approach, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118165881.ch7

Publication History

  1. Published Online: 13 SEP 2011
  2. Published Print: 6 MAY 2009

ISBN Information

Print ISBN: 9780470454619

Online ISBN: 9781118165881

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Keywords:

  • correlation coefficient;
  • Spearman rank-order correlation coefficient;
  • biserial correlation coefficients;
  • dichotomous variable;
  • interval scale variable

Summary

This chapter contains sections titled:

  • Objectives

  • Introduction

  • The Correlation Coefficient

  • Computing the Spearman Rank-Order Correlation Coefficient

  • Computing the Point-Biserial and Biserial Correlation Coefficients

  • Examples from the Literature

  • Summary

  • Practice Questions

  • Solutions to Practice Questions