Wechsler Test Wechsler Psychometric Properties 4

Question 1

A General Ability Index (GAI) on the WAIS-IV or WISC-V is most useful because it minimizes the influence of which two domains?

Accepted Answer

Working Memory and Processing Speed

Answer

Verbal Comprehension and Visual Spatial

Answer

Fluid Reasoning and Verbal Comprehension

Answer

Visual Spatial and Fluid Reasoning

Question 2

If a Wechsler subtest has high inter-rater reliability, this means:

Accepted Answer

Different scorers produce similar scores for the same responses

Answer

The test predicts future success

Answer

The items measure a single construct

Answer

Scores are stable over time

Question 3

An examinee's Working Memory Index is significantly lower than their Verbal Comprehension Index. This is an example of analyzing what?

Accepted Answer

Index discrepancy (profile analysis)

Answer

Floor effects

Answer

Test-retest drift

Answer

Regression to the mean

Question 4

The phenomenon where extreme scores tend to move closer to the average upon retesting is known as:

Accepted Answer

Regression to the mean

Answer

Practice effect

Answer

Ceiling effect

Answer

The Flynn effect

Question 5

The gradual rise in average IQ scores over generations, which prompts periodic renorming of Wechsler tests, is called:

Accepted Answer

The Flynn effect

Answer

The Hawthorne effect

Answer

The halo effect

Answer

The practice effect

Question 6

A ceiling effect on a Wechsler subtest occurs when:

Accepted Answer

Items are too easy and high-ability examinees max out the score

Answer

Items are too hard for everyone

Answer

Scores cluster at zero

Answer

Reliability is perfect

Question 7

Practice effects are a particular concern for which type of reliability evidence?

Accepted Answer

Test-retest reliability

Answer

Internal consistency

Answer

Content validity

Answer

Inter-rater reliability