An item-characteristic curve includes all of the following EXCEPT
A) information that can be used to judge item bias.
B) information that can be used to judge item fairness.
C) item-discrimination information.
D) item-difficulty information.

Question

Quizplus · Accepted Answer

An item-characteristic curve includes information on item discrimination (i.e., how well an item differentiates between high and low ability), item difficulty (i.e., the proportion of examinees who answered the item correctly), and item bias (i.e., whether an item is systematically easier or harder for certain groups of examinees). However, it does not include information on item fairness, which is a broader concept that considers whether an item is relevant, clear, and unbiased for all examinees.

An Item-Characteristic Curve Includes All of the Following EXCEPT