Author Question: Suppose you want to use test scores to rank order the students. The test items assess several ... (Read 87 times)

iveyjurea · **on:** Jun 20, 2018

Suppose you want to use test scores to rank order the students. The test items assess several different skills and abilities. What statistical properties should the items have?

a. Difficulty indexes between .16 and .84, discrimination indexes greater than .00
b. Difficulty indexes between .16 and .84, discrimination indexes greater than .30
c. Difficulty indexes between .40 and .60, discrimination indexes greater than .00
d. Difficulty indexes between .40 and .60, discrimination indexes greater than .30

Question 2

Items that are closely matched to the learning objectives may be used on classroom tests even though they do not satisfy statistical criteria.

a. True
b. False