A nonparametric index for scorer agreement when the scores are nominal or ordinal is provided by ______.
A) coefficient alpha
B) KR-20
C) Cohen's kappa
D) Spearman Brown

Question

Quizplus · Accepted Answer

Cohen's kappa is the best choice for measuring scorer agreement when the scores are nominal or ordinal. Coefficient alpha is used for measuring internal consistency in scale items, KR-20 is used for assessing the reliability of binary tests, and Spearman Brown is used for estimating the reliability of tests that are split into parts.

A Nonparametric Index for Scorer Agreement When the Scores Are