If an Item Characteristic Curve has a steep upward slope, this indicates that
A) there is a weak relationship between test scores and responses to the particular item illustrated in the graph
B) an item has negative discriminating power
C) people who did well on the test are less likely to do well on this particular item
D) people who did well on the test are much more likely to answer the item correctly

Question

Quizplus · Accepted Answer

A steep upward slope indicates that people who did well on the test are much more likely to answer the item correctly. This suggests that the item has high discriminating power and is able to differentiate between examinees with higher and lower levels of the trait being tested.

If an Item Characteristic Curve Has a Steep Upward Slope