The WIAT-III is suitable for use in a variety of clinical, educational, and research settings, including schools, clinics, private practices, and residential treatment facilities. Use WIAT-III results to:
- Identify the academic strengths and weaknesses of a student
- Inform decisions regarding eligibility for educational services, educational placement, or diagnosis of a specific learning disability
- Design instructional objectives and plan interventions
With a total of 16 subtests, WIAT-III offers:
- Three new subtests: Oral Reading, Math Fluency and Early Reading Skills
- Enriched Listening Comprehension, Oral Expression, and Written Expression subtests
- Enhanced Reading Comprehension subtest
- Improved scoring rules that are featured in response to scoring studies, theoretical reviews by expert researchers, and usability reviews by teachers and clinicians
- Updated norms for PreK through grade 12, and for ages 4:0–50:11
- Measure all eight areas of achievement specified by IDEA legislation as important for identifying and classifying learning disabilities
- Focus on reading goals and objectives with the Early Reading Skills subtests
- Evaluate patterns of strengths and weaknesses to identify learning disabilities
The WIAT-III was nationally standardized on 3,000 students and adults and features comprehensive normative information.
A subset of the WIAT-III standardization sample administered the following ability measures: The Wechsler Preschool and Primary Scale of Intelligence, Third Edition (WPPSI-III; Wechsler, 2002), the Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV; Wechsler, 2003), the Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV; Wechsler, 2008), the Wechsler Nonverbal Scale of Ability (WNV; Wechsler & Naglieri, 2006), and the Differential Ability Scales, Second Edition (DAS-II; Elliott, 2007).