Wide Range Achievement Test 4 (WRAT 4) Rebecca Gowen

History Joseph F. Jastak First published in 1946 WRAT 4 published in 2006 Developed to complement measure developed by David Wechsler Revisions WRAT-R (1978) WRAT-III (1993)

Purpose It is designed to measure basic academic skills involving reading, spelling, and math computation. Word Reading Measures letter and word recognition Sentence Comprehension – New to the WRAT 4 Measures an individual’s ability to gain meaning and comprehend information contained in a sentence Added to address validity Spelling Measures one’s ability to encode sounds into the written form Math Computation Measures one’s ability to perform basic mathematical computations

Administration Format Time Recommended administration – Word Reading, Sentence Comprehension, Spelling, then Math Computation. Level B Qualification Blue and Green forms Depends upon age, skill, and response. Age: 5-7 years old Approximately 15-25 minutes Age: 8 years and older Approximately 35-45 minutes

Scoring Raw Scores obtained and converted into standard scores Mean of 100 and Standard Deviation of 15 Other scores obtained Percentile Rank Confidence Interval of 95 percent Grade Equivalence Normative Curve Equivalence Stanine

Testworthiness Validity Reliability Internal and External Validity Correlates with: WSIC-IV KBIT WAIT-II AND III WASI-R RAIS Stanford Achievement Test Internal Consistency coefficient typically .92 - .98 Subtest Consistency coefficient range from .87 - .93 Alternate-form coefficient range from .82 - .90

Sample 3,000 individuals Based on age, gender, ethnicity, SES, and geographical region. Multi-cultural considerations include: African-American Hispanic (Latino & Spanish) Asian American Indian Hawaiian/Pacific Islander Caucasian

Strengths Initially can assess for educational and vocational factors Assess an individual’s academic progress Scoring is concise Strong reliability and validity Time efficient (Individual and Small group)

Weaknesses Validity remains questionable Does not identify behavioral difficulties Does not accurately assess for learning disabilities, visual and/or auditable concerns, and special educational needs.

Any Questions??

References Dell, C. A., Harrold, B., & Dell, T. (2008). Test Review: Wide Range Achievement Test- Fourth Edition. Rehabilitation Counseling Bulletin. doi: 10.1177/0034355208320079 Gander Publishing Educational Materials (2014). Wide Range Achievement Test Fourth Edition (WRAT-4). Retrieved from http://www.ganderpublishing.com/Wide-Range-Achievement-Test-Fourth-Edition-WRAT-4.html Makray, C., & Hope, G (2006). Wide Range Achievement Test 4 (WRAT 4). Journal of Occupational Psychology, Employment and Disability, 11(1). Neukrug, E., & Fawvett R (2006). Essentials of testing and assessment: A practical guide for counselors, social workers, and psychologists. Belmont, CA: Brooks/Cole. pgs. 166-167 PAR (2012). Wide Range Achievement Test 4 (WRAT4). Retrieved from http://www4.parinc.com/Products/Product.aspx?ProductID=WRAT4