Which of the following statistics would be used to assess the reliability of a set of raters who used a nominal variable to code behavior?
A) Kappa
B) Coefficient alpha
C) Pearson R
D) The reliability statistic

Question

Quizplus · Accepted Answer

Kappa (often referred to as Cohen's Kappa) is the correct statistic for assessing inter-rater reliability when the raters are using a nominal scale to code behaviors. It measures the agreement between raters beyond what would be expected by chance.

Which of the Following Statistics Would Be Used to Assess