An Item Characteristic Curve That Rises Gradually and Then Turns

Multiple Choice

An item characteristic curve that rises gradually and then turns down for people at the highest levels of performance

A) is likely to occur when students are making a wild guess.
B) can happen when 'none of the above' is one of the multiple choice options.
C) turns down at a point referred to as the antimode.
D) indicates an item with a high level of difficulty.