WAIS-IV
Pronunciation: ways four
Also written as: WAIS-IV — Wechsler Adult Intelligence Scale, Fourth Edition
The fourth edition of the Wechsler Adult Intelligence Scale, a standardized test for measuring cognitive abilities in adults.
Full Definition
The WAIS-IV (Wechsler Adult Intelligence Scale, Fourth Edition) is a comprehensive individually administered intelligence test for adults aged 16-90 years. The assessment yields Full Scale IQ scores as well as index scores for Verbal Comprehension, Perceptual Reasoning, Working Memory, and Processing Speed. The WAIS-IV is widely used in psychiatric evaluations to assess cognitive functioning, identify intellectual disabilities, and evaluate cognitive changes associated with mental health conditions or neurological disorders.
Usage
Usage note: Roman numeral IV indicates fourth edition; distinguish from WISC (children) and WPPSI (preschoolers).
In Context
- "WAIS-IV results indicated significant deficits in working memory and processing speed." — neuropsychological evaluation
- "The patient's WAIS-IV performance suggested preserved verbal abilities despite mood symptoms." — cognitive assessment report