Wechsler Individual Achievement Test – III

Use the Wechsler Individual Achievement Test – III in a variety of clinical, educational, and research settings to identify academic strengths and weaknesses.

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Description

Use the Wechsler Individual Achievement Test – III in a variety of clinical, educational, and research settings to identify academic strengths and weaknesses. 

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Overview

The Wechsler Individual Achievement Test – 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

 

Overview: The Wechsler Individual Achievement Test – III is an updated achievement test for use in a variety of clinical, educational, and research settings.
Qualification Level: B
Age Range: Individuals 4:0-50:11
RTI Tiers: RTI Levels 2 and 3
Administration: Paper-and-pencil or online administration
Completion Time: Varies by grade level and number of subtests administered
Scores/Interpretation: Fall, Winter, and Spring grade-based standard scores, age-based standard scores, percentile ranks, stanines, NCEs, age and grade equivalents.
Scoring Options: Q-interactive web-based administration and Q-global™ web-based scoring
Publication Date: 2009

Features & Benefits

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
  • Enhanced scoring software and interactive scoring guide in every kit
  • Updated norms for PreK through grade 12, and for ages 4:0–50:11

Content & Administration

  • 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

Scoring & Reporting

WIAT-III Score Report – WPPSI–IV / WIAT-III Combination Reports – This combination report allows you to upgrade your WPPSI–IV or WIAT–III Score Report to include a pattern of strengths and weaknesses analysis and an ability achievement discrepancy analysis of the combined results.

Two options for scoring and reporting the WIAT-III are now available on Q-global.

The first option is to pay per-report. Customers who administer the WIAT-III only a few times each year, or those who want the flexibility to pay only as the assessment is used, may prefer this option.

The second option is to select an “unlimited use” subscription, where one user of the WIAT-III gets unlimited scoring and reporting for one, three, or five years depending on the selected term of the subscription. This may be a better option for customers who administer the WIAT-III several times each year and don’t want to worry about keeping track of their report expenses.

Scoring and/or Reporting Options

Q-global™ Web-based Administration, Scoring, and Reporting – Enables you to quickly assess and efficiently organize examinee information, generate scores, and produce accurate comprehensive reports all via the Web.

WIAT-III on Q-global also provides:

  • Enhanced skill analysis for core subtests at item level and sub-item level
  • Intervention goal statements for core subtests to assist with IEP goals and to help develop planning for intervention
  • Annual goals and short-term objectives for problem areas based on specific abilities, strengths, and weaknesses
  • Research-supported alternatives for determining severe learning disability and non-responders within an RTI environment
  • Parent Report, with a description of each subtest, as well as information to help the parent understand the WIAT-III scores

 

Psychometric Information

The Wechsler Individual Achievement Test – 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).

 

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