In an experimental study involving psychological disorders, a researcher observed that 7 out of a sample of 10 participants have the same diagnosed condition. This would mean that, among this sample, there is a concordance rate of _____.
A) 7.00
B) 0.70
C) 0.170
D) 1.70

Question

Quizplus · Accepted Answer

Concordance rate is the proportion of individuals with a particular characteristic or disorder compared to the total number of individuals in the sample. In this case, the concordance rate would be the number of individuals with the diagnosed condition (7) divided by the total number of participants in the sample (10), which equals 0.70 or 70%. Therefore, the best choice is B, which represents the proportion as a decimal.

In an Experimental Study Involving Psychological Disorders, a Researcher Observed