Wechsler Test Wechsler Test History and Development Questions and Answers 2 — Questions and Answers
Question 1: How many editions of the WAIS have been published as of 2026?
- 3
- 4
- 5 (Correct answer)
- 6
Correct answer: 5
Five editions exist: WAIS (1955), WAIS-R (1981), WAIS-III (1997), WAIS-IV (2008), and WAIS-5 (2021).
Question 2: The WAIS-R was published in which year?
- 1955
- 1981 (Correct answer)
- 1991
- 1997
Correct answer: 1981
The WAIS-R (Wechsler Adult Intelligence Scale–Revised) was published in 1981, about 26 years after the original WAIS.
Question 3: Which edition of the WAIS first restructured the test around four primary index scores (VCI, PRI, WMI, PSI)?
- WAIS-R
- WAIS-III
- WAIS-IV (Correct answer)
- WAIS-5
Correct answer: WAIS-IV
The WAIS-IV (2008) replaced the traditional Verbal IQ/Performance IQ structure with four primary index scores: VCI, PRI, WMI, and PSI.
Question 4: What age range does the WAIS-IV assess?
- 6 to 16 years
- 16 to 69 years
- 16 to 90 years (Correct answer)
- 18 to 89 years
Correct answer: 16 to 90 years
The WAIS-IV is designed for individuals aged 16 years 0 months to 90 years 11 months.
Question 5: Which new primary index score was added in the WAIS-5 (2021) compared to the WAIS-IV?
- Removal of all processing speed subtests
- Fluid Reasoning Index (Correct answer)
- Reduction to only 5 subtests
- Elimination of Working Memory Index
Correct answer: Fluid Reasoning Index
The WAIS-5 added a Fluid Reasoning Index (FRI) as a new primary index alongside the four existing indexes.
Question 6: Wechsler scale normative samples are matched to which population to ensure representativeness?
- Clinical psychiatric patients only
- U.S. census-matched general population (Correct answer)
- College students nationwide
- Veterans and military personnel
Correct answer: U.S. census-matched general population
Wechsler scales are standardized on samples matched to U.S. Census data for age, sex, race/ethnicity, and education level.
Wechsler Test Wechsler Test History and Development Questions and Answers 2
How many editions of the WAIS have been published as of 2026?