Of the following measures of association for ordinal data, a positive value for this statistic allows the researcher to conclude only that "as X increases, Y does not decrease" rather than that "as X increases, Y also increases."
A)Somer's D
B)Spearman's rho
C)Kendall's tau
D)gamma

Question

Quizplus · Accepted Answer

Gamma is a measure of association for ordinal data that indicates the strength and direction of the relationship between two variables. A positive gamma value suggests that as one variable increases, the other variable does not decrease, which is a less specific statement than saying the second variable increases as well. This characteristic makes gamma distinct in its interpretation compared to other measures like Somer's D, Spearman's rho, and Kendall's tau, which more directly interpret the relationship as one variable increasing with the other.

Of the Following Measures of Association for Ordinal Data, a Positive