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Wechsler Individual Achievement Test

The Wechsler Individual Achievement Test (WIAT) is a comprehensive, standardized measure intended to assess academic functioning in students from preschool through high school. The WIAT was originally published in 1992, and its third edition was published in 2009. The test assesses a wide range of academic achievement skills, including oral language, reading, math, and written language.

The third edition of the WIAT (WIAT-III) may be administered for several reasons, such as to identify academic strengths and weaknesses, to help in making decisions about eligibility for educational services, and to assist with designing instructional objectives and interventions. This entry describes the test and its administration, scoring, and interpretation. It then discusses its technical adequacy as an assessment tool.

Test Description

The WIAT-III was initially normed for students in ...

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