For a total of 18 possible agreements, there are 7 times where Duck and Cow agreed on whether students in college fell asleep at their desks or not.What is the interrater reliability coefficient?
A)56
B)0.39
C)3.90
D).003

Question

Quizplus · Accepted Answer

To calculate the interrater reliability coefficient, we use the formula: (number of agreements)/(total possible agreements). 
In this case, the number of agreements between Duck and Cow is 7, and the total possible agreements is 18. 
So, the interrater reliability coefficient is 7/18 = 0.39. 
Therefore, the best choice is B.

For a Total of 18 Possible Agreements, There Are 7