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Contingency Tables

  1. Stanley Wearden

Published Online: 30 JAN 2010

DOI: 10.1002/9780470479216.corpsy0226

Corsini Encyclopedia of Psychology

Corsini Encyclopedia of Psychology

How to Cite

Wearden, S. 2010. Contingency Tables. Corsini Encyclopedia of Psychology. 1.

Author Information

  1. West Virginia University

Publication History

  1. Published Online: 30 JAN 2010

Abstract

A contingency table is an array of counts or frequencies arranged in a two-way table usually consisting of r ≥ 2 rows and c ≥ 2 columns. The name comes about from the statistical test used to determine if the relative frequency for a cell in the table is contingent on the marginal frequencies for the row and column in which it's found. Hence, the null hypothesis is one of independence, inline image, and the alternative is association, inline image. The test of significance is called “contingency chi square” and is computed with the following formula:

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