Answer:
standardization
Explanation:
Standardization requires, among other things, that the norm, or average score, made by a large group of people, be established.
Standardization can be defined as the consistency and objectivity of how tests are administered and scored. To compare one person to another on a test, it is imperative that they take the test under the same conditions and the same scoring procedure is applied to both.
standardization is so important in testing, this is because it helps to ensure that measuring any two individuals, that they must be in the same condition.