Widely regarded as the authoritative work on the principles and practice of applied behavior analysis (ABA), this indispensable volume is now in a revised and expanded second edition. Leading experts present evidence-based procedures for supporting positive behaviors and reducing problem behaviors with children and adults in diverse contexts. Chapters delve into applications in education, autism treatment, addictions, behavioral pediatrics, and other areas. Covering everything from behavioral assessment and measurement to the design and implementation of individualized interventions, the Handbook is a complete reference and training tool for ABA practitioners and students.