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2008 ATB Award Winner
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David A. Clark, Ph.D.

      Dr. Clark is a Professor in the Department of Psychology at the University of New Brunswick, Canada and a Founding Fellow of the Academy of Cognitive Therapy. He has made significant and enduring contributions in the field of cognitive therapy and is highly deserving of this prestigious award.

Dr. Clark received his Ph.D. from the Institute of Psychiatry, University of London, England in 1984 under the supervision of Dr. S. Rachman and P. de Silva. He has published 98 articles, chapters and other scholarly works as well as 119 conference presentations on cognitive theory and therapy of anxiety and depression.


Since first introduced to cognitive therapy in 1983, Dr. Clark has maintained a close research relationship with the Center for Cognitive Therapy in Philadelphia producing a number of publications with Dr. Aaron T. Beck and his Research Associates based on analysis of the Center intake dataset. He received formal training in cognitive therapy while a postdoctoral researcher at the Center for Cognitive Therapy in 1987/1988 and is a Founding Fellow of the Academy of Cognitive Therapy. He is a Fellow of the Canadian Psychological Association and was awarded a University Research Scholar. 

Dr. Clark's research has focused on a number of key issues in cognitive therapy including the specificity of cognition in anxiety and depression, cognitive diathesis-stress vulnerability to depression, assessment of negative cognition, diagnostic differentiation of anxiety and depression, psychometric accuracy of self-report cognition and symptom measures, assessment of obsessions and compulsions, cognitive appraisal of obsessions, significance of unwanted intrusive thoughts, and the negative impact of intentional mental control. He co-established a 45 member international research group on the cognitive basis of OCD and continues to chair an eight country research group investigating cross-cultural influences on obsessions. He is also a co-investigator on a $2.9 million Canadian Cyberpsychology and Anxiety Virtual Lab research network that will develop cognitive therapy virtual reality treatment for the anxiety disorders. Having recently established the university's first clinical neuroscience laboratory, Dr. Clark has been investigating EEG responses of vulnerable and depressed individuals while processing valenced information. His research group is also initiating a funded pilot project on vulnerability, resilience and preventive intervention of first onset depression in young adults.

Dr. Clark has authored, co-authored or edited seven books on cognitive theory and therapy of OCD and depression, and has published an OCD symptom measure. His first book, Scientific Foundations of Cognitive Theory and Therapy of Depression (Wiley, 1999) with co-authors Aaron T. Beck and Brad Alford, involved a major restatement of the cognitive theory of depression and its empirical status. This was followed by the development and publication of the Clark-Beck Obsessive Compulsive Inventory (Harcourt Assessment, 2002) that is a companion measure for the Beck Depression Inventory-II. In 2004 Cognitive Behavioral Therapy for OCD (Guilford) was published as a detailed explication of cognitive theory and treatment for obsessions and compulsions. The last three years have been devoted to a book entitled Cognitive Therapy for Anxiety Disorders: Science and Practice (under contract with Guilford) coauthored with Aaron T. Beck. It is an extensive refinement and elaboration of the cognitive model of anxiety, a review of its empirical status and a detailed explanation of cognitive therapy for panic, OCD, social phobia and GAD. Dr. Clark has also devoted considerable time to professional training in cognitive therapy through the numerous workshops given across Canada, the United States and Europe. In the last 20 years as a university professor, he has trained dozens of graduate students in cognitive therapy at the University of New Brunswick and guided the clinical psychology program toward attaining accreditation by the Canadian Psychological Association and American Psychological Association. Dr. Clark is currently Associate Editor of the International Journal of Cognitive Therapy and past Associate Editor of Cognitive Therapy and Research.