In a study assessing the relationship between two variables at the ordinal level of measurement, an appropriate correlation coefficient to calculate is
A)Pearson's r
B)Spearman's rho
C)phi
D)eta

Question

Quizplus · Accepted Answer

Spearman's rho is the appropriate correlation coefficient to use when assessing the relationship between two variables at the ordinal level of measurement. This is because it measures the strength and direction of the relationship between two variables when the data is ranked or placed in order of magnitude. Pearson's r, on the other hand, is used for variables measured at the interval or ratio level of measurement, while phi and eta are used for categorical data.

In a Study Assessing the Relationship Between Two Variables at the Ordinal