45. Which of the following statements about testing is correct?
(A) Test reliability can be established when there are many items tested on a big group ofstudents.
(B) When a test of oral proficiency is conducted through multiple-choice written test, ithas achieved content validity.
(C) A norm-referenced test is designed to measure test takers’ abilities based on aspecific set of objectives.
(D) In order to ensure washback effect of a test, teachers should give feedback totest-takers on their performances.