Thad Leffingwell, Ph.D., 2000, University of Washington.
Assistant Professor
Clinical Internship, 1999-2000, Veterans Affairs Puget Sound Healthcare System - Seattle. thad.leffingwell@okstate.edu

Dr. Leffingwell teaches abnormal psychology, behavior therapy and adult clinical practicum.

Dr. Leffingwell's research investigates ambivalence in the behavior change process, including both social cognitive determinants and clinical interventions for resolving ambivalence and promoting behavior change. Behaviors of interest include health risk behaviors like substance use and physical activity. Interests also include motivational interviewing and the transtheoretical model. Clinical interests include cognitive-behavioral therapy for adults, substance abuse treatment, sport psychology and performance enhancement, empirically supported treatments and psychotherapy outcome research. Below are some representative publications.

• Baer, J. S., Davis, T. M., Correale, M., Ravicz, L., Leffingwell, T. R., Saxon, A. J., & Kivlahan, D. R. (June, 2000). A randomized clinical trial of motivational interviewing to facilitate post-incarceration treatment engagement: Design, feasibility, and preliminary outcomes. Paper presented at the 23rd Annual Meeting of the Research Society on Alcoholism, Denver, CO.
• Leffingwell, T. R., Rider, S. P. & Williams, J. M. (2001). Application of the transtheoretical model to psychological skills training. The Sport Psychologist, 15, 168-187.
• Leffingwell, T. R., Wiechman, S. A., Smith, R. E., Smoll, F. L., & Christensen, D. S. (in press). Sport psychology training within a clinical psychology program and a department of intercollegiate athletics. Professional Psychology: Research and Practice.
• Smith, R. E., Leffingwell, T. R., & Ptacek, J. T. (1999). Can people remember how they coped? Factors associated with discordance between same-day and retrospective reports. Journal of Personality and Social Psychology, 76, 1050-1061.
• Williams, J. M., & Leffingwell, T. R. (1996). Cognitive strategies in sport and exercise psychology. In J. Van Raalte & B. Brewer (Eds.), Exploring sport and exercise psychology, (pp. 51-73). Washington, D.C.: APA Press. [Revision for 2001 publication in progress]
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