Wechsler Test Wechsler Scoring and Normative Data 2

Question 1

On the WAIS-IV, what is the mean of the Full Scale IQ (FSIQ) standard score?

Accepted Answer

100

Answer

Wechsler Full Scale IQ scores use a mean of 100 and a standard deviation of 15.

Question 2

What is the standard deviation of the Wechsler FSIQ scale?

Accepted Answer

15

Answer

The FSIQ and index scores have a standard deviation of 15.

Question 3

Wechsler individual subtest scaled scores have a mean of what value?

Accepted Answer

10

Answer

Subtest scaled scores are set to a mean of 10 with a standard deviation of 3.

Question 4

What is the standard deviation of a Wechsler subtest scaled score?

Accepted Answer

3

Answer

Scaled scores range mostly 1–19 with a mean of 10 and SD of 3.

Question 5

An FSIQ of 130 is how many standard deviations above the mean?

Accepted Answer

Two

Answer

130 minus 100 equals 30, and 30 divided by the SD of 15 equals two SDs.

Wechsler Test Practice Test