A Negative Item-Discrimination Index Results for a Particular Item When

Multiple Choice

A negative item-discrimination index results for a particular item when

A) more high scorers than low scorers on a test get the item correct.
B) more low scorers than high scorers on a test get the item correct.
C) an item is found to be biased and unfair.
D) most testtakers do not enter the response keyed correct for the particular item.