Wechsler Adult Intelligence Scale-III

  • Joseph J. Ryan
  • Shane J. Lopez
Part of the Perspectives on Individual Differences book series (PIDF)


The Wechsler Adult Intelligence Scale-III (wais-iii) comes from a tradition of mental ability testing that began in 1939 with the publication of the Wechsler-Bellevue Intelligence Scale, Form I (W-B I). The W-B I, which was named after David Wechsler and the Bellevue Hospital where he was employed as chief psychologist, was considered a unique clinical instrument because it possessed good face validity with adolescents and adults, grouped items into subtests, and provided extensive assessment of both verbal and nonverbal abilities. The scale also utilized standard scores and deviation IQs instead of the mental age values and ratio IQs provided by contemporary tests such as the Stanford-Binet Intelligence Scale, Forms L and M.


Digit Span Perceptual Organization Subtest Score Scoring Manual Verbal Comprehension Index 
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Suggested Readings

  1. Kamphaus, R. W. (1993). Clinical assessment of children’s intelligence: A handbook for professional practice. Boston: Allyn and Bacon.Google Scholar
  2. LoBello, S. G., Thompson, A. P., & Evani. V. (1998). Supplementary wais-iii tables for determining subtest strengths and weaknesses. Journal of Psychoeducational Assessment, 16, 196–200.CrossRefGoogle Scholar
  3. Sattler, J. M., & Ryan, J. J. (1999). Assessment of children, revised and updated third edition: wais-iii supplement. San Diego, CA: Sattler.Google Scholar
  4. The Psychological Corporation. (1997). wais-iii-wms-iii technical manual. San Antonio, TX: Author.Google Scholar
  5. Wechsler, D. (1997). wais-iii Administration and scoring manual. San Antonio, TX: The Psychological Association.Google Scholar

Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Joseph J. Ryan
    • 1
  • Shane J. Lopez
    • 2
  1. 1.Department of Psychology and Counselor EducationCentral Missouri State UniversityWarrensburgUSA
  2. 2.Department of Psychology and Research in EducationUniversity of KansasLawrenceUSA

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