Test Construction

Question 1

An item discrimination (D} index of O for an item included in an academic achievement test
indicates that:

Answer 1

The item was answered co1Tectly by the same number of low- and high-achieving
students.

Question 2

When item response theory has been used as the basis for test construction, an examinee’s score on the test provides information about his/her :

Answer 2

Status on a latent trait or ability.

Question 3

When using the multitrait-multimethod matrix to evaluate the construct validity of a newly developed test, a _______ coefficient provides the evidence of the test’s divergent validity.

Answer 3

A small heterotrait-monomethod