Wechsler Scoring and Normative Data Questions and Answers

Question 1

An 11-year-old child obtains a Full Scale IQ (FSIQ) of 115 on the WISC-V. How should this score be interpreted in relation to the normative sample?

Accepted Answer

The child's performance is one standard deviation above the mean.

Answer

The child's performance is exactly at the 50th percentile.

Answer

The child's performance is in the 'Very Superior' range.

Answer

The child's performance is one standard deviation below the mean.

Question 2

What are the mean and standard deviation, respectively, for individual subtest scaled scores on the Wechsler intelligence scales (e.g., WISC-V, WAIS-IV)?

Accepted Answer

Mean = 10, Standard Deviation = 3

Answer

Mean = 100, Standard Deviation = 15

Answer

Mean = 50, Standard Deviation = 10

Answer

Mean = 10, Standard Deviation = 5

Question 3

Which of the following best describes the primary purpose of using age-based normative data when scoring the Wechsler scales?

Accepted Answer

To evaluate an individual's raw score in the context of the performance of a representative sample of their same-age peers.

Answer

To determine the absolute number of items answered correctly without comparison to others.

Answer

To adjust scores based on the examinee's educational background and socioeconomic status.

Answer

To compare an individual's performance only to others with the same clinical diagnosis.

Question 4

An adolescent obtains a Visual Spatial Index (VSI) score of 85 on the WISC-V. This score corresponds to which approximate percentile rank?

Accepted Answer

16th percentile

Answer

50th percentile

Answer

2nd percentile

Answer

84th percentile

Question 5

When an examiner reports a Full Scale IQ score, they often include a 95% confidence interval. What does this interval represent?

Accepted Answer

The range of scores within which we can be 95% confident the examinee's true score lies.

Answer

The range of scores obtained by 95% of the individuals in the normative sample.

Answer

The probability that the obtained score is 95% accurate in reflecting the examinee's true intelligence.

Answer

The range within which the examinee's score is expected to fall 95% of the time if they retake the test on different days.

Question 6

Which of the following is the most critical reason for converting an examinee's raw scores on Wechsler subtests into scaled scores?

Accepted Answer

To allow for direct comparison of an individual's performance across different subtests that have varying numbers of items and scoring rules.

Answer

To calculate the exact number of items the examinee answered correctly on the entire test.

Answer

To eliminate the influence of the examinee's age on their final score profile.

Answer

To determine if the administration of the test was valid and followed standardized procedures.