Lab: Contextual Behavioral Science Lab

University of North Carolina-Greensboro, Ph.D., 1984
Bucknell University, M.A., 1976
Wilkes College, B.A., 1974

Current Instructor: Abnormal Psychology, Cognitive Behavioral Therapy, Ethical and Professional Issues in Clinical Psychology


Academic Interests and Expertise

My current research investigates basic processes that contribute to psychological inflexibility and experiential avoidance and related therapeutic approaches and strategies, such as ACT, that seek to weaken such processes in order to alleviate human suffering.

Areas of Research Interest

Research Interests: Acceptance and Commitment Therapy (ACT), Processes that contribute to psychological flexibility/inflexibility


Upcoming Publications:

  1. Rea, J. A., Dixon, M. R., Zettle, R. D., & Wright, K. L. (in press). The development of in-vivo measures to assess the impact of sex-drive reducing medications in an offender with an intellectual disability. Archives of Sexual Behavior. (PDF)
  2. Zettle. R. D. (in press). Depression. In P. L. dos Santos, S. Carvalho, J. P. Gouveia, M. da Silva Oliveira, & J. Pistorello (Eds). International ACT handbook. Novo Hamburgo, Brazil: Sinopsys Editoria. (PDF)
  3. Zettle, R. D., & Gird, S. T. (in press). Acceptance and mindfulness-based interventions. In R. J. DeRubeis & D. R. Strunk (Eds.), Oxford handbook of mood disorders (pp. 435- 446). Oxford, United Kingdom: Oxford University Press. (PDF)

Recent Publications:

  1. Cathey, A. J., & Zettle, R. D. (2016). The development of novel interoceptive exposure methods for inducing derealization and depersonalization symptoms. Journal of Cognitive Psychotherapy, 30, 223-234. (PDF)
  2. Swails, J. A., Zettle, R. D., Burdsal, C. A., & Snyder, J. J. (2016). The Experiential Approach Scale: Development and preliminary psychometric properties. The Psychological Record, 66, 527-545. (PDF)
  3. Zettle, R. D. (2016). The self in acceptance and commitment therapy. In M. Kyrios, R. Moulding, G. Doron, S. S. Bhar, M. Nedeljkovic, & M. Mikulincer, The self in understanding and treating psychological disorders (pp. 50-58). Cambridge, United Kingdom: Cambridge University Press. (PDF)
  4. Zettle, R.D., Hayes, S. C., Holmes-Barnes, D., & Biglan, A. (Eds.). (2016). The Wiley handbook of contextual behavioral science. Chichester, United Kingdom: Wiley.
  5. Zettle, R. D. (2016). Acceptance and commitment theory of depression. In A. Wells & P. L. Fisher (Eds.), Treating depression: MCT, CBT, and third wave therapies (pp. 169-193). Chichester, United Kingdom: Wiley. (PDF)
  6. Brockman, C., Snyder, J., Gewirtz, A., Gird, S. R., Quattlebaum, J., Schmidt, N., Pauldine, M. R., Elish, K., Schrepferman, L., Hayes, C., Zettle, R, D., & DeGarmo, D. (2016). Relationship to service members’ deployment trauma, PTSD symptoms and experiential avoidance to postdeployment family reengagement. Journal of Family Psychology, 30, 52-62. (PDF)
  7. Zettle, R. D. (2015). Acceptance and commitment therapy for depression. Current Opinion in Psychology, 2, 65-69. (PDF)
  8. Carrasquillo, N., & Zettle, R. D. (2014). Comparing a brief self-as-context exercise to control-based and attention-placebo protocols in coping with induced pain. The Psychological Record, 64, 659-669. (PDF)
  9. Rea, J. A., Dixon, M. R., & Zettle, R. D. (2014). Assessing the generalization of relapse- prevention behaviors of sexual offenders with an intellectual disability. Behavior Modification, 38, 25-44. (PDF)
  10. Zettle, R. D., Webster, B. K., Gird, S. R., Wagener, A. L., & Burdsal, C. A. (2013). Factor structure of the Automatic Thoughts Questionnaire in a clinical sample. International Journal of Cognitive Therapy, 6, 279-290. (PDF)