Author Question: For a given item, when the performances of those whose overall scores put them among the highest ... (Read 32 times)

fasfsadfdsfa · **on:** Jun 20, 2018

For a given item, when the performances of those whose overall scores put
them among the highest third of the group are compared with those who scored
among the lowest third of the group, the resulting difference is called the

a. discrimination index (DI).
b. item difficulty level (IDL)
c. item response test (IRT)
d. discrimination of performance evaluation (DOPE)

Question 2

The frequency of occurrence within mutually exclusive categories
provides nominal data.

Indicate whether the statement is true or false