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IQ testing

Intelligence testing

 

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

Information

 

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

The more widely used tests include:

  • Wechsler Preschool and Primary Scale of Intelligence
  • Stanford-Binet Intelligence Scales
  • Differential Ability Scales
  • Kaufman Assessment Battery for Children

Functioning abilities that are measured by these tests include language, mathematical, analytical, spatial (for example, reading a map), among others. Each test has its own scoring system.

In general, IQ tests are only one way to measure how well a person functions. Other factors, such as genetics and environment, should be considered.

 

 

References

Blais MA, Sinclair SJ, O’Keefe SM. Understanding and applying psychological assessment. In: Stern TA, Fava M, Wilens TE, Rosenbaum JF, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 2nd ed. Philadelphia, PA: Elsevier; 2016:chap 7.

Ortiz SO, Lella SA, Canter A. Intellectual ability and assessment: a primer for parents and educators. National Association of School Psychologists Web site. Published 2010. www.nasponline.org/resources-and-publications/families-and-educators. Accessed January 19, 2017.

 
  • Normal brain anatomy

    Normal brain anatomy - illustration

    The brain is the largest portion of the central nervous system which sits in the cranial cavity.

    Normal brain anatomy

    illustration

    • Normal brain anatomy

      Normal brain anatomy - illustration

      The brain is the largest portion of the central nervous system which sits in the cranial cavity.

      Normal brain anatomy

      illustration

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        Review Date: 12/10/2016

        Reviewed By: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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