A test maker conducts the appropriate statistical tests to make sure that all the items on his new personality test are measuring the same basic concept. He wants to demonstrate that the test has good
A) discriminant validity.
B) congruent validity.
C) test-retest reliability.
D) internal consistency.

Question

Quizplus · Accepted Answer

Internal consistency is the extent to which all items on a test are measuring the same concept. Therefore, if the test maker conducts appropriate statistical tests to ensure that all items are related to each other, it demonstrates good internal consistency.

A Test Maker Conducts the Appropriate Statistical Tests to Make