In the Context of IRT,the Term Discrimination Best Refers to

Multiple Choice

In the context of IRT,the term discrimination best refers to

A) the degree to which an item differentiates people with respect to some cultural variable.
B) the utility of a test used in personnel selection.
C) the degree to which internal consistency compares to selection precision.
D) the degree to which an item differentiates people with respect to a trait being measured.