12MM+ Questions Answered · Helped Over 8MM WorldwideA+ Rating – Better Business Bureau. 1. So-called ordinal measures of association remain common in the social science and policy literature but are not nearly as popular tools as they used to be. a. We’ll discuss a couple of . To compute other measures of association, like gamma and Somers’d, use the following guidelines. Gamma and Somers’d are both measures of association for ordinal variables. .