autism and related conditions. Now expanded to two volumes, this comprehensive work provides a thorough review of these disorders, drawing on findings and clinical experience from a number of related disciplines. The Second Edition covers all current treatment models, and is updated to include new methods for screening and assessment, genetic components, and school-based interventions. All chapters have been thoroughly updated; two-thirds of chapters are entirely new to this edition. VolumeTwo includes the newest, most authoritative information available on assessment, interventions, and policy ramifications surrounding pervasive developmental disorders.

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