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WRAT-4 Professional Manual (Wide Range Achievement Test, Fourth Edition)

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WRAT-4 Professional Manual (Wide Range Achievement Test, Fourth Edition)

The WRAT-4 Professional Manual summarizes the information users will need to administer and interpret the WRAT-4.

  • Beginning with an historical overview, Chapter 1 contains a description of the revised test battery, including recommended uses of the WRAT-4.
  • Chapter 2 provides a description of the materials needed to administer the test, user qualifications, and the general and specific instructions needed to administer and score the WRAT-4 subtests.
  • Chapter 3 contains an explanation of the derived scores offered for test interpretation along with recommended interpretive guidelines.
  • Chapter 4 provides the pertinent background information about the development and standardization of the WRAT-4.
  • Chapter 5 contains extensive technical data summarizing various aspects of reliability and validity.
  • The appendixes contain additional scoring information for the Sentence Comprehension and Math Computation subtests and the age-based and grade-based normative tables for the Blue, Green, and Combined forms. Conversion tables are also provided for percentile ranks, normal curve equivalents, stanines, grade equivalents, Rasch ability scaled scores, statistical significance of standard score difference tables, and prevalence of standard score difference tables.