WAIS Core Structure 2

Question 1

Which WAIS-IV index score is derived from the Block Design and Visual Puzzles subtests?

Accepted Answer

Perceptual Reasoning Index

Answer

The Perceptual Reasoning Index (PRI) includes Block Design and Visual Puzzles as core subtests.

Question 2

How many core subtests are included in the standard WAIS-IV administration?

Accepted Answer

10

Answer

The WAIS-IV standard administration includes 10 core subtests used to derive the four index scores and FSIQ.

Question 3

What does the Full Scale IQ (FSIQ) on the WAIS represent?

Accepted Answer

An overall composite of cognitive ability across multiple domains

Answer

The FSIQ is a global composite score reflecting performance across verbal comprehension, perceptual reasoning, working memory, and processing speed.

Question 4

Which subtest is classified as supplemental (not core) in the WAIS-IV?

Accepted Answer

Comprehension

Answer

Comprehension is a supplemental subtest in the WAIS-IV and is not used to calculate the Verbal Comprehension Index unless a substitute is needed.

Question 5

In WAIS scoring, what is a 'scaled score' and what is its normative mean?

Accepted Answer

A subtest-level standard score with mean 10 and SD 3

Answer

Scaled scores are subtest-level standard scores with a mean of 10 and standard deviation of 3, derived from age-matched normative samples.

(WAIS) Wechsler Adult Intelligence Scale Practice Test