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Wechsler Adult Intelligence Scale – Fourth SA Edition (WAIS®-IVSA)

Wechsler Adult Intelligence Scale – Fourth  SA Edition (WAIS®-IVSA)
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To measure intelligence in adolescents and adults

Age Range
16 year 0 months to 59 years 11 months 

60 years 0 months to 80 years: in research phase


60-90 minutes for core tests

Related Products

Wechsler Adult Intelligence Scale – Fourth SA Edition (WAIS®-IVSA)

D Wechsler


In recognition of emerging demographic and clinical trends, the WAIS-IVSA was developed to provide clients with an advanced measure of cognitive ability. The WAIS-IVSA is a comprehensive measure of adult intelligence can be used for a variety of psychological purposes from qualification for special services to identification and treatment of psychological disability.


Assessment Scales

The WAIS-IVSA is composed of 10 core subtests and five supplemental subtests, with the 10 core subtests comprising the Full Scale IQ. These are the four index scores, followed by the subtests:

  • Verbal Comprehension Index (VCI): Similarities, Vocabulary, Information, and Comprehension
  • Perceptual Reasoning Index (PRI): Block Design, Matrix Reasoning, Visual Puzzles, Picture Completion, and Figure Weights
  • Working Memory Index (WMI): Digit Span, Arithmetic, and Letter-Number Sequencing
  • Processing Speed Index (PSI): Symbol Search, Coding, and Cancellation

Areas of Application

WAIS-IV SA is used in the following areas:

  • Selection processes
  • Learning in higher education (e.g., identifying disabilities, concessions assessment)
  • Clinical and Neuropsychological assessment
  • Psycho-legal assessment (e.g., qualification for disability grants)
  • Psychological research

Report Options

  • Hand-Scoring: The WAIS-IVSA can be hand-scored and information gathered about the individual can be used to compile an interpretive report.


The WAIS®-IV has been adapted for use in South Africa by JvR Psychometrics


Product Items

South African WAIS IV Complete Set
Item # 7000
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