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Georg H. Eifert, Ph.D., is professor and chair of the department of psychology at Chapman University in Orange, CA. He was ranked in the top thirty of Researchers in Behavior Analysis and Therapy in the 1990s and has authored over 100 publications on psychological causes and treatments of anxiety and other emotional disorders. He is a clinical fellow of the Behavior Therapy and Research Society, a member of numerous national and international psychological associations, and serves on several editorial boards of leading clinical psychology journals. He also is a licensed clinical psychologist. He is the author of The Anorexia Workbook and From Behavior Theory to Behavior Therapy.

John P. Forsyth, Ph.D., is associate professor and director of the Anxiety Disorders Research Program in the Department of Psychology at the University at Albany, State University of New York. He has written widely on acceptance and experiential avoidance, and the role of emotion regulatory processes in anxiety disorders. He has been doing basic and applied work related to Acceptance and Commitment Therapy (ACT) for well over 10 years. He is a licensed clinical psychologist in New York State, serves on the editorial boards of several leading clinical psychology journals, and is associate editor of the Journal of Behavior Therapy and Experimental Psychiatry.

Eifert and Forsyth are also authors of a forthcoming book—ACT on Life, Not on Anger—describing the application of ACT for persons struggling with problem anger. They routinely give talks and workshops on acceptance and commitment therapy and cognitive behavior therapy for anxiety and related disorders.

Foreword writer Steven C. Hayes, Ph.D., is University of Nevada Foundation Professor of Psychology at the University of Nevada in Reno, NV. He is the author of Acceptance and Commitment Therapy and Relational Frame Theory, among many other books and articles, and he is one of the founders of acceptance and commitment therapy.

1. We acknowledge with gratitude Joanna Arch for her contributions to this section and her suggestions for wording and conducting the acceptance exercises. Go BACK

2. We are grateful to Peter Thorne, a British clinical psychologist, for sharing this metaphor with us and allowing us to use it in this book. We are also grateful to Steven Hayes for the rewording of “Just So Radio.” Go BACK

3. We are grateful to Dr. Michelle Craske for allowing us to use and adapt the scenarios and suggestions contained in her 2005 treatment manual Cognitive-Behavioral Treatment of Anxiety DisordersGo BACK

4. Some of the material in this chapter has been adapted from our ACT workbook for anorexia (Heffner & Eifert, 2004). It shows how many of the issues coming up in the ACT treatment of one clinical problem are similar to issues in other clinical problems—and how the solutions are similar in both cases, too. Go BACK

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