Wide Range Achievement Test-4
The Wide Range Achievement Test of a widely used academic achievement test battery, originally consisting of subtests measuring single-word reading, written spelling, and written mathematics. The current version also contains a “cloze” test of sentence comprehension, an important addition that addresses a substantive criticism leveled at earlier versions. Word Reading and Sentence Comprehension scores are combined to yield a Reading Composite score. The Math Computation portion is timed (15 min), whereas the Sentence Comprehension, Word Reading and Spelling portions are terminated after 7, 10, and 10 consecutive failures, respectively.
The WRAT-4 was normed on a stratified representative sample of over 3000 individuals of ages 5–94 years. Administration requires 15–25 min for ages 5–7 years and 30–45 min for others. Raw scores are converted to age- and grade-based standard scores; percentiles, stanines, normal curve equivalents, and grade equivalents may be...
References and Further Reading
- Harvey, P., Friedman, J., Bowie, C., Reichenberg, A., McGurk, S., Parrella, M., White, L., & Davis, K. (2006). Validity and stability of performance-based estimates of premorbid educational functioning in older patients with schizophrenia. Journal of Clinical and Experimental Neuropsychology, 28, 178–192.CrossRefGoogle Scholar
- Jastak, S., & Wilkinson, G. (1984). Wide range achievement test-revised. Wilmington: Jastak Associates.Google Scholar
- Wide Range Achievement Test-4. Manual. (2006). Odessa: Psychological Assessment Resources.Google Scholar
- Wilkinson, G. S. (1993). Wide range achievement test – 3, administration manual. Wilmington: Wide Range.Google Scholar