In a multiple-choice item, a distractor is selected more frequently by high achievers than by low achievers. What does this pattern most strongly suggest?
A.The distractor is functioning ideally
B.The distractor may be misleading or problematic
C.The item necessarily has high reliability
D.The item has an optimal difficulty level
Correct Answer:
B. The distractor may be misleading or problematic
A distractor chosen more by high achievers than low achievers may be misleading or flawed.
During an examination, a student's performance is negatively affected because the test room is unusually noisy. The resulting score variance is primarily an example of: