achievement age

American  

noun

Psychology.

1. 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.

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achievement age British  

noun

1. psychol the age at which a child should be able to perform a standardized test successfully Compare mental age

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Etymology

Origin of achievement age

First recorded in 1920–25

Example Sentences

See Examples For:

achievement age

Instead, the measure is likely comparing that student to others in his “norm group”—students with like characteristics such as level of achievement, age, and so forth.

From Forbes ● Nov. 13, 2014