Wide Range Achievement Test Wide Range Achievement Standardization and Norming 1 — Questions and Answers
Question 1: What is the mean (average) standard score on WRAT subtests?
- 85
- 90
- 100 (Correct answer)
- 115
Correct answer: 100
Like most standardized tests, WRAT standard scores have a mean of 100.
Question 2: What is the standard deviation used for WRAT standard scores?
- 10
- 15 (Correct answer)
- 20
- 25
Correct answer: 15
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?
- Criterion-referenced interpretation
- Norm-referenced interpretation (Correct answer)
- Curriculum-based measurement
- Ipsative comparison
Correct answer: Norm-referenced interpretation
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?
- Standard score
- Percentile rank (Correct answer)
- Grade equivalent
- T-score
Correct answer: Percentile rank
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?
- Superior range
- Average range
- Low average range (Correct answer)
- Extremely low range
Correct answer: Low average range
A standard score of 85 falls one standard deviation below the mean, placing it in the low average range.
Question 6: What demographic variable is NOT typically used to stratify WRAT normative samples?
- Age
- Geographic region
- Favorite academic subject (Correct answer)
- Race/ethnicity
Correct answer: Favorite academic subject
Normative stratification uses objective census variables like age, race/ethnicity, and region — not subjective preferences like favorite subject.
Wide Range Achievement Test Wide Range Achievement Standardization and Norming 1
What is the mean (average) standard score on WRAT subtests?