A clinical psychologist needs to conduct a comprehensive cognitive assessment for a 30-year-old client to understand their intellectual strengths and weaknesses for career counseling. The psychologist wants a tool that provides not just an overall intelligence score, but also separate scores for verbal comprehension, perceptual reasoning, working memory, and processing speed. Which assessment strategy should the psychologist choose?

David Wechsler created a set of widely used intelligence tests that remain prominent today, namely the Wechsler Adult Intelligence Scale (WAIS-IV) and the Wechsler Intelligence Scale for Children (WISC-V).

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David Wechsler was an American psychologist who, after working with World War I veterans, developed a new IQ test in 1939. He defined intelligence as a person's overall capacity to act with purpose, think rationally, and interact effectively with their surroundings.

David Wechsler

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Developed by David Wechsler, the Wechsler intelligence scales became some of the most extensively used tests in psychology's history. The original version, the Wechsler-Bellevue Intelligence Scale, was created by combining subtests from earlier assessments to evaluate both verbal and nonverbal abilities. Although later renamed the Wechsler Adult Intelligence Scale (WAIS) and revised multiple times, the core aims of the test have remained largely the same since its inception.

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