One popular statistical technique for evaluating the level of item discrimination is the
A) standard error of measurement
B) standard error of the mean
C) standard error of estimate
D) point biserial correlation

Question

Quizplus · Accepted Answer

The point biserial correlation is a statistical technique commonly used to evaluate the level of item discrimination in testing situations, as it measures the relationship between an item score and the total score on a test. This correlation coefficient ranges from -1 to +1, with values closer to 1 indicating higher levels of item discrimination. Therefore, option D is the best choice. The other options listed are statistical techniques used in other contexts, but not specifically for evaluating item discrimination.

One Popular Statistical Technique for Evaluating the Level of Item