The statistical technique known as item analysis provides information about what aspect of a test's utility?

Question

Quizplus · Accepted Answer

The statistical technique known as item analysis provides information about a test's internal consistency. On a test where the level of internal consistency is high, those who get the highest total scores would be consistently getting certain items right that examinees with low overall test scores get wrong. In other words, the test is not loaded down with dead weight items that have little or no utility in differentiating the upper end of the test performance range from the lower end.

The Statistical Technique Known as Item Analysis Provides Information About