noun Psychology.
- the level of educational development of an individual as determined by an achievement test and based on a comparison of the examinee’s score with the average score of individuals of the same chronological age.
noun
- psychol the age at which a child should be able to perform a standardized test successfullyCompare mental age
n.
- The level of an individual’s educational accomplishment as measured by standard achievement tests and expressed as the age in years of a child for whom the total score would be an average score.