Wide Range Achievement Test Wide Range Achievement Standardization and Norming

Question 1

What is the mean (average) standard score on WRAT subtests?

Accepted Answer

100

Answer

Like most standardized tests, WRAT standard scores have a mean of 100.

Question 2

What is the standard deviation used for WRAT standard scores?

Accepted Answer

15

Answer

WRAT standard scores use a standard deviation of 15, consistent with most psychological assessments.

Question 3

Which term describes comparing an individual's WRAT score to a representative sample of same-age peers?

Accepted Answer

Norm-referenced interpretation

Answer

Norm-referenced interpretation compares an individual's performance to a standardization sample of same-age peers.

Question 4

What type of score indicates the percentage of the normative sample that scored at or below a given point?

Accepted Answer

Percentile rank

Answer

A percentile rank indicates what percentage of the normative sample scored at or below the individual's score.

Question 5

What does a WRAT standard score of 85 typically indicate?

Accepted Answer

Low average range

Answer

A standard score of 85 falls one standard deviation below the mean, placing it in the low average range.

Wide Range Achievement Test Practice Test