Essentials of WJ IV® Tests of Achievement Assessment provides practical, step-by-step guidelines to administering, scoring, and interpreting the achievement portion of the WJ IV®. This easy-to-use reference goes beyond the information found in the WJ IV® test manuals. It offers full explanations of the tests and clusters on the WJ IV® ACH and explains the meaning of all scores and interpretive features. In addition, the authors offer valuable advice on clinical applications and illuminating case studies. Features include:

• Clear instructions on how the WJ IV® ACH and the WJ IV® Tests of Oral Language can be used together to increase diagnostic utility.
• Expert assessment of the tests’ relative strengths and weaknesses.
• Each concise chapter features numerous callout boxes highlighting key concepts, bulleted points, and extensive illustrative material, as well as test questions that help you gauge and reinforce your grasp of the information covered.

Nancy Mather, PhD, is a Professor at the University of Arizona in the Department of Disability and Psychoeducational Studies. She specializes in the areas of assessment, reading, writing, and learning disabilities. She has served as a learning disabilities teacher, a diagnostician, and an educational consultant.

Barbara J. Wendling, MA, is the Education Director of the Woodcock-Muñoz Foundation and the Director of the Richard Woodcock Institute. She is a co-author of the manuals for the WJ IV^® and the Woodcock Interpretation and Instructional Interventions Programs. She has served as a general education teacher, a learning disabilities specialist, a product manager for a test publishing company, and an educational consultant.