After administering a test to a large number of people,a psychologist compares their scores on the odd-numbered questions to their scores on the even-numbered questions.By checking whether these scores match,the psychologist is able to check for
A) criterion validity.
B) equivalent-forms objectivity.
C) test-retest reliablity.
D) split-half reliability.

Question

Quizplus · Accepted Answer

The process described in the question is that of split-half reliability. By comparing the scores of the same group of individuals on odd- and even-numbered questions, the psychologist is attempting to check whether the test is consistent across two halves (split) of the same test. This is a measure of the internal consistency of the test, which is a form of reliability. The other options listed (criterion validity, equivalent-forms objectivity, and test-retest reliability) relate to other types of validity or reliability, and are not relevant to the method described in the question.

After Administering a Test to a Large Number of People,a