Assertion (A): A test item should be phrased in such a manner that there is no ambiguity regarding its meaning for both the item writer and the examinees
Reason (R): A test item should not be too easy or too difficult

A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not a correct explanation of A

C. A is true but R is false

D. A is false but R is true

Answer: Option B