Applied Behavior Analysis provides a complete description of the principles and procedures needed to systematically change socially significant behavior and to understand the reasons for that change. This comprehensive text, appropriate for courses in basic principles, applications, and behavioral research methods, helps students, educators, and practitioners appreciate and begin to acquire the conceptual and technical skills necessary to foster socially adaptive behavior in diverse individuals. The second edition includes: bull; bull; More than 1,000 citations to primary-source literature, including both classic and contemporary studies bull; A glossary of more than 250 technical terms and concepts bull; More than 100 graphs displaying original data from peer-reviewed research, often accompanied by detailed descriptions of the procedures used to collect the data represented bull; Five new chapters written by leading scholars in behavior analysis: Negative Reinforcement (Brian Iwata and Richard Smith), Motivating Operations (Jack Michael), Functional Behavior Assessment (Nancy Neef and Stephanie Peterson), Verbal Behavior (Mark Sundberg), and Ethical Considerations for Applied Behavior Analysts (Jose Martinez-Diaz, Tom Freeman, and Matthew Normand) bull; The Behavior Analyst Certification Board reg; BCBA reg; and BCABA reg; Behavior Analyst Task List, Third Edition, specifying the minimum content all behavior analysts should master, is listed on the inside front and back covers. A chart at the beginning of each chapter identifies which items from the Task List are covered in that chapter, and an appendix lists the page numbers where the concepts, principles, or procedures related to each item appear on the Task List.