Encyclopedia of Clinical Neuropsychology

2011 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Full Scale IQ

Reference work entry
DOI: https://doi.org/10.1007/978-0-387-79948-3_1549



The Full Scale IQ is a score derived from administration of selected subtests from the Wechsler Intelligence Scales designed to provide a measure of an individual’s overall level of general cognitive and intellectual functioning. It is a summary score derived from an individual’s performance on a variety of tasks that measure acquired knowledge, verbal reasoning, attention to verbal materials, fluid reasoning, spatial processing, attentiveness to details, and visual-motor integration.

Current Knowledge

Wechsler Intelligence Scales (WIS): The WIS family of tests are some of the most widely used test batteries to assess general intellectual ability in adults aged 16 years or higher (Wechsler Adult Intelligence Scale; WAIS), children aged 6–16 years (Wechsler Intelligence Scale for Children; WISC), and children aged 2–7 years (Wechsler Preschool and Primary Scale of Intelligence; WPPSI). Since the original development of these...

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References and Readings

  1. Atkinson, L. (1991). Some tables for statistically based interpretation of WAIS-R factor scores. Psychological Assessment, 3(2), 288–291.Google Scholar
  2. Kaufman, A. S., & Lichtenberger, E. O. (2006). Assessing adolescent and adult intelligence (3rd ed.). Hoboken, NJ: Wiley.Google Scholar
  3. Sattler, J. M. (2008). Assessment of children: Cognitive foundations (5th ed.). San Diego, CA: Author.Google Scholar
  4. Tulsky, D. S., Saklofske, D. H., & Ricker, J. H. (2003). Historical overview of intelligence and memory: Factors influencing the Wechsler Scales. In D. S. Tulsky, (Eds.), Clinical interpretation of the WAIS-III and WMS-III(pp. 7–41). San Diego, CA: Academic Press.Google Scholar
  5. Tulsky, D. S., Saklofske, D. H., & Zhu, J. (2003). Revising a standard: An evaluation of the origin and development of the WAIS-III. In D. S. Tulsky, et al. (Eds.), Clinical interpretation of the WAIS-III and WMS-III(pp. 43–92). San Diego, CA: Academic Press.Google Scholar

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.British Columbia Mental Health and Addiction Services University of British ColumbiaPHSA Research and NetworksVancouverCanada