WAIS Psychometric Properties and Norms 2

Question 1

The WAIS-IV standardization sample was stratified by which demographic variables?

Accepted Answer

Age, sex, race/ethnicity, and education level

Answer

Age and IQ score only

Answer

Geographic region and income only

Answer

Sex and native language only

Question 2

What is the test-retest reliability coefficient range typically reported for WAIS-IV composite scores?

Accepted Answer

.90 to .96

Answer

.50 to .65

Answer

.70 to .80

Answer

.30 to .50

Question 3

Which WAIS-IV index shows the lowest average internal consistency reliability among the four index scores?

Accepted Answer

Processing Speed Index

Answer

Verbal Comprehension Index

Answer

Perceptual Reasoning Index

Answer

Working Memory Index

Question 4

A score of 115 on the WAIS-IV FSIQ falls at approximately which percentile rank?

Accepted Answer

84th percentile

Answer

50th percentile

Answer

97th percentile

Answer

16th percentile

Question 5

What is the primary purpose of age-corrected scaled scores on the WAIS-IV?

Accepted Answer

To compare an individual's performance to same-age peers

Answer

To convert raw scores to standard scores across all ages combined

Answer

To measure gains from practice over multiple administrations

Answer

To adjust for educational background differences

Question 6

Confirmatory factor analysis of the WAIS-IV best supports which factor structure?

Accepted Answer

A four-factor model plus a higher-order g factor

Answer

A single general intelligence factor only

Answer

A two-factor model (verbal vs. nonverbal)

Answer

A six-factor model with no higher-order factor

Question 7

Which statistical concept describes the degree to which WAIS-IV subtests measure the same underlying construct as the composite score?

Accepted Answer

Convergent validity

Answer

Discriminant validity

Answer

Predictive validity

Answer

Face validity