Book excerpt: Complete coverage of the extended and revised popular cognitive assessment test for children ages 2 years, 6 months to 7 years, 3 months Essentials of WPPSI(TM)-III Assessment offers state-of-the-art instructions for administering, scoring, and interpreting the revised and updated edition of this widely used cognitive assessment instrument for preschool children. Coverage includes insight into every revision of the WPPSI(TM)-III. Clear interpretive guidelines help WPPSI(TM)-III users navigate through the scores from fourteen subtests, seven of which are new. The authors highlight common clinical applications of the WPPSI(TM)-III, such as assessment of language disorders, giftedness, and mental retardation. In addition, the authors provide expert guidance on how to perform cross-battery analysis to link WPPSI(TM)-III results with achievement measures, such as the WIAT-II. Like all the volumes in the Essentials of Psychological Assessment series, this book is designed to help busy mental health professionals quickly acquire the knowledge and skills they need to make optimal use of a major psychological assessment instrument. Each concise chapter features numerous callout boxes highlighting key concepts, bulleted points, and extensive illustrative material, as well as "Test Yourself" questions that help you gauge and reinforce your understanding of the information covered. Complete with new clinical studies and applications, Essentials of WPPSI(TM)-III Assessment provides comprehensive coverage of test administration, scoring, and interpretation of this widely used test battery.