A flexible approach for testing association in two-way contingency tables is presented. It is simple, does not assume a specific form for the association and is applicable to tables with nominal-by-nominal, nominal-by-ordinal, and ordinal-by-ordinal classifications.
Jafari, Peyman; Akhtar-Danesh, Noori; and Bagheri, Zahra
"A Flexible Method for Testing Independence in Two-Way Contingency Tables,"
Journal of Modern Applied Statistical Methods:
2, Article 11.
Available at: http://digitalcommons.wayne.edu/jmasm/vol9/iss2/11