A test question has item bias when it ______.
A) is easier for one group than for another group
B) has a high discrimination index
C) does not correlate with other test items
D) does not correlate with the test's raw score

Question

Quizplus · Accepted Answer

Item bias refers to a situation in which different subgroups of test-takers (based on gender, ethnicity, etc.) have different probabilities of getting a given test question right, even after having controlled for differences in overall ability. Therefore, a test question has item bias when it is easier for one group to answer correctly than another group.

A Test Question Has Item Bias When It ______