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Working Memory Index

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Synonyms

Freedom from Distractibility (WISC-III); WAIS; WMI; Working Memory Scale (WAIS-IV)

Definition

The Working Memory Index (WMI) is a score derived from the administration of selected subtests from the third and fourth edition Wechsler Adult Intelligence Scale (WAIS) and Wechsler Intelligence Scale for Children (WISC). The WMI is designed to provide a measure of a person's ability to attend to information presented verbally, manipulate that information in short-term immediate memory, and then formulate a response.

Current Knowledge

Wechsler Intelligence Scales: The WAIS and WISC are two of the most widely used tests to assess general intellectual ability in adults aged 16 years or above (WAIS) and children aged 6–16 years (WISC). Since the original development of these scales (WAIS, 1955; WISC, 1949), both tests have been revised on several occasions. The most recent revisions were published in 2003 (WISC-IV) and 2008 (WAIS-IV).

History: Until recently, one of the most prominent...

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References and Readings

  • Atkinson, L. (1991). Some tables for statistically based interpretation of WAIS-R factor scores. Psychological Assessment, 3(2), 288–291.

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  • Kaufman, A. S., & Lichtenberger, E. O. (2006). Assessing adolescent and adult intelligence (3rd ed.). Hoboken, NJ: Wiley.

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  • Sattler, J. M. (2008). Assessment of children: Cognitive foundations (5th ed.). San Diego, CA: Sattler Press.

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  • 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.

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© 2011 Springer Science+Business Media, LLC

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Lange, R.T. (2011). Working Memory Index. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-79948-3_1076

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  • DOI: https://doi.org/10.1007/978-0-387-79948-3_1076

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-0-387-79947-6

  • Online ISBN: 978-0-387-79948-3

  • eBook Packages: Behavioral Science

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