To determine test–retest reliability:

a. The same test would be administered to the same person more than one time.

b. A different test would be administered to the same person a day after the first test was administered.

c. The results of the first half of a test are compared o the results of the second half of the test.

d. The results of the odd-numbered questions on a test are compared to the results of the even-numbered questions on a test.