A smiling man with short brown hair and a beard, wearing a dark green button-up shirt, leaning against a wall in a bright room.

Keith’s Research & Academic Writing

Published Book Chapters:

  • Pato, M. T., Arnold, P., Zohar, J., Bitan, S., Klein, K. P., & Eisen, J. L. (2024). Obsessive-compulsive disorder. In A. Tasman, M. B. Riba, R. D. Alarcón, C. A. Alfonso, S. Kanba, D. Lecic-Tosevski, D. M. Ndetei, C. H. Ng, & T. G. Schulze (Eds.), Tasman’s psychiatry (5th ed., pp. 2091–2151). Springer Nature Switzerland AG.

Master’s Thesis & Doctoral Dissertation:

  • Klein, K. P. (2020). Predictors of latent-class trajectories of symptom change during intensive treatment for obsessive-compulsive disorder. A dissertation submitted in fulfillment of the requirements for the degree of doctor of philosophy in the field of clinical psychology. Southern Illinois University. Carbondale, Illinois.

  • Klein, K. P. (2017). The differential effect of two brief mindfulness interventions on cognitive and somatic symptoms of anxiety. A thesis submitted in fulfillment of the requirements for the master’s degree in the field of clinical psychology. Southern Illinois University. Carbondale, Illinois.

Published Peer-Reviewed Research Articles:

  • Hudson, C. C., Klein, K. P., Ong, C. W., Handy, A. B., Swee, M. B., Lambert, H. K., Mei, S., Hom, M. A., Weiss, R. B., Beard, C. and Björgvinsson, T. (2023). Treatment outcomes and patient perceptions of a virtual partial hospital program: A mixed- method study. Psychotherapy Research.

  • Swee, M.B., Klein, K. P., Murray, S., & Heimberg, R.G. (2023). A brief self-compassionate letter writing intervention for individuals with high shame. Mindfulness. https://doi.org/10.1007/s12671-023-02097-5

  • Hudson, C. C., Klein, K. P., Ong, C.W., Handy, A. B., Swee, M. B., Lambert, H. K., Mei, S., Hom, M. A., Weiss, R. B., Beard, C., & Björgvinsson, T. (2022). Treatment outcomes and patient satisfaction of a virtual partial hospital program: A mixed-method study. Psychotherapy Research. 

  • Ong, C. W., Pierce, B. G., Klein, K. P., Hudson, C. C., Beard, C., & Björgvinsson, T. (2022). Longitudinal measurement invariance of the PHQ-9 and GAD-7. Assessment. 29(8), 1901-1916. 

  • Klein, K. P., Bartholomay, E., Stevens, K. T., Harris, E. K., Björgvinsson, T., & Kertz, S. J. (2021). Examination of the latent structure of the Distress Intolerance Inventory. International Journal of Cognitive Therapy. 14(3). doi: 10.1007/s41811-021-00103-z

  • Klein, K. P., Harris, E. K., Björgvinsson, T. & Kertz, S. J. (2020). A network analysis of obsessive-compulsive disorder and depression. Journal of Obsessive-Compulsive and Related Disorders.

  • Gilbert, D. G., Rabinovich, N. E., Gilbert-Matuskowitz, E. A., Pergadia, M. L., & Klein, K. P. (2019). Abstinence symptoms across 67 days compared with randomized controls - Moderation by nicotine replacement therapy, bupropion, and negative-affect traits. Experimental and Clinical Psychopharmacology. doi: 10.1037/pha0000278

  • Neece, C. L., Klein, K. P., Chan, N., Fenning, R., & Roberts, L. (2018). The influence of ethnicity on the efficacy of Mindfulness-based Stress Reduction (MBSR) on parental stress. Mindfulness. doi: 10.1007/s12671-018-1011-3

  • Klein, K. P., Stevens, K., & Kertz, S. (2018). Examining the influence of transdiagnostic serial mediators on anxiety and depression using a stress recovery task. SAGE Research Methods Cases. doi: 10.4135/9781526440983

  • Klein, K. P., & Lancaster, S. L. (2017). Reexamining the association between facets of mindfulness and cognitive performance. Journal of Cognitive Enhancement 1(3). 345 - 351. doi: 10.1007/s41465-017-0037-0

  • Kertz, S. J., Stevens, K. T., & Klein, K. P. (2016). The association between attention control, anxiety, and depression: The indirect effects of repetitive negative thinking and mood recovery. Anxiety, Stress, & Coping. 30(4), 456-468. doi: 0.1080/10615806.2016.1260120

  • Lancaster, S. L., Klein, K. P., & Knightly, W. K. (2016). Mindfulness and relaxation: A comparison of brief interventions. Mindfulness. 7(3), 614-621. doi: 10.1007/s12671-016-0496-x

  • Freeman, K. R., James, S., Klein, K. P., Mayo, D., & Montgomery, S. (2015). Outpatient dialectical behavior therapy for adolescents who engage in deliberate self-harm: A focus on conceptual and methodological issues. Child & Adolescent Social Work Journal. 33(2), 123-135. doi: 10.1007/s10560-015-0412-6

  • Lancaster, S. L., Klein, K. P., & Heifner, A. (2015). The validity of self-reported growth after expressive writing. Traumatology, 21(4), 293-298. doi: 10.1037/trm000005

  • Lancaster, S. L. Klein, K.P., Nadia, C., Szabo, L., & Mogerman, B. (2015). An integrated model of posttraumatic stress and growth. Journal of Trauma and Dissociation, 16(4), 399-418. doi: 10.1080/15299732.2015.1009225

  • Lancaster, S. L., Melka, S. E., Klein, K. P., & Rodriguez, B. F. (2015). Ethnicity and anxiety: A psychometric evaluation of the STICSA. Measurement and Evaluation in Counseling and Development, 48(3), 163-176. doi: 10.1177/0748175615578757