What is the discrimination index?
A) a comparison of the scores of respondents by sex, race, or other personal characteristics
B) an index of how difficult each test item is
C) a comparison of high performer scores with low performer scores on each item
D) cumulative results from an item analysis yielding an overall score for the test

Question

Quizplus · Accepted Answer

The discrimination index is a measure used in educational testing to determine how well a particular question differentiates between high-performing and low-performing students. It compares the scores of the top scorers with those of the bottom scorers on each test item.

What Is the Discrimination Index