The third step in the selection process is an employment test which measures the aptitudes, skills, abilities, or knowledge of job candidates. Employment tests allow managers to choose candidates according to how they will fit into the open positions and the organizational culture. Since tests alone are not enough to make an evaluation of a candidate, firms need to use employment testing conjunction with other selection tools such as interviewing. Besides, test should be validated, administered, and scored consistently. All candidates should be given the same directions, allowed same amount of time, and offered the same environmental conditions for testing. The correct answer is C.