When ratings are made on a nominal scale,interrater reliability should be assessed using
A)a Pearson correlation.
B)Spearman's rho.
C)Cohen's kappa.
D)Cronbach's alpha.

Question

Quizplus · Accepted Answer

Cohen's kappa is the most appropriate measure to assess interrater reliability for nominal data as it takes into account chance agreement among raters. Pearson correlation and Spearman's rho are used for continuous data, while Cronbach's alpha is used for assessing internal consistency of a scale or measure.

When Ratings Are Made on a Nominal Scale,interrater Reliability Should