achievement quotient

American  

noun

Psychology.

1. achievement age divided by chronological age, usually expressed as a multiple of 100. The achievement quotient of a ten-year-old child whose achievement age equals that of the average twelve-year-old is 1.2, or 120. AQ

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achievement quotient British  

noun

1.  AQ.  psychol a measure of ability derived by dividing an individual's achievement age by his actual age

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Etymology

Origin of achievement quotient

First recorded in 1920–25