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 or she 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 degree to which all items on a test are measuring the same underlying construct. Therefore, if the statistical tests demonstrate good internal consistency, it means that all the items are indeed measuring the same basic concept.

A Test Maker Conducts the Appropriate Statistical Tests to Make