One Would Not Use the Kuder-Richardson 20 Coefficient to Estimate

Multiple Choice

One would not use the Kuder-Richardson 20 coefficient to estimate the score reliability of a comprehensive multiple choice final examination in a beginning psychology course because

A) Kuder-Richardson 20 requires two forms of a test.
B) the items are not of equal difficulty.
C) the items cover various content areas and skills.
D) All of these are true.
E) b and c