Assertion (A): For ensuring objectivity of items, items must have uniformity of order of presentation
Reason (R): Ascending or descending order of items ensures the objectivity of items

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 A