A test item has positive discriminating power when answered correctly by
A) all of the students
B) more high-scoring students
C) more low-scoring students
D) none of the students

Question

Quizplus · Accepted Answer

A test item has positive discriminating power when it is more likely to be answered correctly by students who perform well overall (high-scoring students) compared to those who do not perform as well (low-scoring students). This indicates that the item effectively differentiates between higher and lower ability levels among the test takers.

A Test Item Has Positive Discriminating Power When Answered Correctly