Wechsler Test Adult Intelligence Scale (WAIS-IV) Clinical Applications 3

Question 1

Which WAIS-IV subtest is a supplemental measure that can substitute for Digit Span when assessing working memory?

Accepted Answer

Arithmetic

Answer

Arithmetic is a Working Memory subtest that can substitute for Digit Span under permitted conditions.

Question 2

A clinician assessing an older adult wants to reduce the impact of motor slowing on the IQ estimate. Which approach is most appropriate?

Accepted Answer

Consider the General Ability Index

Answer

The GAI de-emphasizes speed-dependent subtests, giving a fairer ability estimate for those with motor slowing.

Question 3

The 'testing the limits' procedure in WAIS-IV clinical practice is best used to:

Accepted Answer

Explore qualitatively why a patient failed items after standard administration ends

Answer

Testing the limits is a post-standardization, qualitative exploration and does not alter official scores.

Question 4

Which subtest primarily measures fluid reasoning through pattern completion of a matrix?

Accepted Answer

Matrix Reasoning

Answer

Matrix Reasoning assesses fluid, nonverbal reasoning via visual pattern completion.

Question 5

In interpreting WAIS-IV results for a bilingual patient tested in their non-dominant language, the clinician should:

Accepted Answer

Interpret verbal scores cautiously as they may underestimate ability

Answer

Verbal subtests may underrepresent true ability when testing occurs in a non-dominant language.

Wechsler Test Practice Test