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IQ testing
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IQ testing

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Intelligence testing

IQ (intelligence quotient) testing is a series of exams used to determine your general intelligence in relation to other people the same age.

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    Many IQ tests are used today. Whether they measure actual intelligence or simply certain abilities is controversial. IQ tests measure a specific functioning ability and may not accurately assess your talents or future potential. Results of any intelligence test may be culturally biased.

    The Wechsler test and the Stanford-Binet Intelligence Scales (SC) are the most standardized and widely used exams. Average test results range from 90 - 110:

    • A score below 70 indicates intellectual disability.
    • A person who scores 130 or higher is usually considered gifted, although different programs set different levels for this classification.
    • A person with a score of 145 - 160 is usually classified as highly advanced or very gifted.
    • A person with a score of 165 or higher is usually classified a genius.

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References

Stebbins GT. Neuropsychological Testing. In: Goetz, CG. Textbook of Clinical Neurology. 3rd ed. St. Louis, Mo: WB Saunders; 2007: chap 27.

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Review Date: 11/12/2012  

Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

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