If a test is composed of items that all have high discrimination indexes (based on the total test score), the test is said to also have
A)content relevance.
B)difficulty.
C)high reliability.
D)high predictive power.

Question

Quizplus · Accepted Answer

High discrimination indexes indicate that items are good at distinguishing between high and low performers, which contributes to the overall reliability of the test.

If a Test Is Composed of Items That All Have