The reason that objective tests include so many items is to increase the ________ of the test.
A) criterion-related validity
B) reliability
C) content validity
D) construct validity

Question

Quizplus · Accepted Answer

Including more items in an objective test increases the reliability of the test by reducing the effect of random errors or individual differences. When there are more items on the test, the influence of any one item on a student's score is reduced, making it more likely that the test will accurately measure their knowledge or ability. Increasing the reliability of a test means that it is more consistent in its results and less influenced by chance factors.

The Reason That Objective Tests Include So Many Items Is