Published Online: 30 JAN 2010
Copyright © 2010 John Wiley & Sons, Inc. All rights reserved.
Corsini Encyclopedia of Psychology
How to Cite
Wearden, S. 2010. Contingency Tables. Corsini Encyclopedia of Psychology. 1.
- Published Online: 30 JAN 2010
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, , and the alternative is association, . The test of significance is called “contingency chi square” and is computed with the following formula: