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An encyclopedia entry about the IQ or "intelligence quotient", "a numerical score derived by combining a person's chronological age with his or her 'mental age' as determined by the person's performance on a standardized intelligence test."
Thousand Oaks, CA
IQ, intelligence quotient
Social and Behavioral Sciences
Danforth, S. (2005) IQ. In Albrecht, G. L. (Ed.), Encyclopedia of disability, volume 2 (pp. 977-979). Thousand Oaks, CA: Sage Publications.