Ph.D., Florida State University
Dr. Pettit conducts research on depression, anxiety, and suicidal behaviors in childhood and adolescence. He has a particular interest in the course of these problems over time and their treatment, emphasizing interpersonal and cognitive factors. Dr. Pettit is the author of three books and more than 170 research articles and book chapters. His research program is funded by the National Institute of Mental Health.
Pettit, J.W., & Joiner, T.E., Jr. (2005). The interpersonal solution to depression: A workbook for changing how you feel by changing how you relate. Oakland, CA: New Harbinger Publications.
Pettit, J.W., & Joiner, T.E., Jr. (2006). Chronic depression: Interpersonal sources, therapeutic solutions. Washington, DC: American Psychological Association.
Pettit, J.W., Lewinsohn, P.M., Seeley, J.R., Roberts, R.E., & Yaroslavsky, I. (2010). Developmental relations between depressive symptoms, minor hassles, and major events from adolescence through age 30 years. Journal of Abnormal Psychology, 119(4), 811-824.
Hill, R.M., Castellanos, D., & Pettit, J.W. (2011). Suicide-related behaviors and anxiety in children and adolescents: A review. Clinical Psychology Review, 31, 1133-1144.
Pettit, J.W., Silverman, W.K., Rey, Y., Marin, C., & Jaccard, J. (2016). Moving to second stage treatments faster: Identifying midtreatment tailoring variables for youth with anxiety disorders. Journal of Clinical Child and Adolescent Psychology, 45(4), 457-468.
Pettit, J.W., Rey, Y., Bechor, M., Melendez, R., Vaclavik, D., Buitron, V., Bar-Haim, Y., Pine, D.S., & Silverman, W.K. (2017). Can less be more? Open trial of a stepped care approach for child and adolescent anxiety disorders. Journal of Anxiety Disorders, 51, 7-13.
Hill, R.M., & Pettit, J.W. (2019). Pilot randomized controlled trial of LEAP: A selective preventive intervention to reduce adolescents’ perceived burdensomeness. Journal of Clinical Child and Adolescent Psychology, 48(S1), S45-S56.
Silverman, W.K., Marin, C.E., Rey, Y., Kurtines, W.M., Jaccard, J., & Pettit, J.W. (2019). Group- versus parent-involvement CBT for childhood anxiety disorders: treatment specificity and long-term recovery mediation. Clinical Psychological Science, 7(4), 840-855.
Pettit, J.W., Bechor, M., Rey, Y., Vasey, M.W., Abend, R., Pine, D.S., Bar-Haim, Y., Jaccard, J., & Silverman, W.K. (2020). A randomized controlled trial of attention bias modification treatment in youth with treatment-resistant anxiety disorders. Journal of the American Academy of Child & Adolescent Psychiatry, 59(1), 157-165.
Pettit, J.W., Rey, Y., Marin, C.E., Bechor, M., Lebowitz, E.R., Vasey, M.W., Jaccard, J., Abend, R., Pine, D.S., Bar-Haim, Y., & Silverman, W.K. (2023). Attention training as a low-intensity treatment for concerning anxiety in clinic-referred youth. Behavior Therapy, 54, 77-90.
Pettit, J.W., & Hill, R.M. (2022). Overcoming suicidal thoughts for teens: CBT activities to reduce pain, increase hope, and build meaningful connections. Oakland, CA: New Harbinger Publications.
Silverman, W.K., Marin, C.E., Rey, Y., Jaccard, J., & Pettit, J.W. (2022). Does training parents in reinforcement skills or relationship skills enhance individual youth CBT? Outcome, specificity, and mediation. Clinical Psychological Science, 10(2), 355-373.