Author Question: A test developer computes the item-discrimination index for the items on a test administered to ... (Read 298 times)

dollx · **on:** Jun 18, 2018

A test developer computes the item-discrimination index for the items on a test administered to 1,000 examinees, defining the upper and lower ranges as the top and bottom quartiles.

If 200 students in the upper range got an item item right, and 100 in the lower range got it right, the item discrimination index or d for this item is a) 0.4.
b) 0.1.
c) 0.2.
d) 0.8.

Question 2

A workplace counselor wants to administer a test of emotional intelligence that includes ratings by both the examinee and his or her supervisor. A good choice would be the

a) Emotional Competence Inventory.
b) Bar-On Emotional Quotient Inventory.
c) Life Orientation Test.
d) Mayer-Salovey-Caruso Emotional Intelligence Test.