School of Professional Psychology Faculty
Jay C. Thomas, Ph.D., ABPP
Professor and Assistant Dean, Research, Planning, and the Counseling Psychology Program
Psy.D. Clinical & M.A. Counseling Programs
School of Professional Psychology
Pacific University
Education
- Ph.D. in Industrial and Organizational Psychology, The University of Akron, Akron, OH, 1981
- M.A. in Industrial and Organizational Psychology, The University of Akron, Akron, OH, 1976
- B.S. Psychology, Portland State University, Portland, OR, 1974
Roles and Interests
- Teach courses in statistics, research methods, program evaluation, career development, organizational behavior, and organizational assessment.
- Research interests: Applied research methodology, outcome studies, behavioral change, program development and evaluation, personnel selection, job stress, mental health and the workplace, psychometrics.
Professional Membership
- American Psychological Association
- American Psychological Society
- American Statistical Association
- Society for Industrial and Organizational Psychology, Inc.
- Society of Consulting Psychology
- President, American Board of Organizational and Business Consulting Psychology, a specialty board of the American Board of Professional Psychology
Certification and Licensure
- Diplomate, Industrial and Organizational Psychology, American Board of Professional Psychology
- Diplomate, Organizational and Business Consulting Psychology, American Board of Professional Psychology
- Licensed Psychologist, Oregon, Number 621
Papers since 1999:
- Warren, R. & Thomas, J.C. (1999). Randomized controlled trials are relevant to routine clinical practice. ADAA Reporter, 10, (1), 1,17.
- Robb, H.B., Backx, W., & Thomas, J. (1999). Use of cognitive, emotive, and behavioral interventions in rational emotive behavioral therapy when clients lack emotional insight. Journal of Rational-Emotive and Cognitive Behavior Therapy, 17, 201-209.
- Warren, R. & Thomas, J.C. (2001). Cognitive-Behavior therapy of OCD in private practice. Journal of Anxiety Disorders, 15, 277-285.
- Rosqvist, J., Thomas, J.C., Egan, D., & Willis, B.S. (2002). Home-based cognitive-behavioral treatment of chronic, refractory obsessive-compulsive disorder can be effective: Single case analyses of four patients. Behavior Modification, 26, 205-222.
- Rosqvist, J., Thomas, J.C., Egan, D., & Willis, B.S. (2002). Home-based cognitive-behavioral treatment of chronic, refractory obsessive-compulsive disorder can be effective: Single case analyses of four patients. Behavior Modification, 26, 205-222.
- Rosqvist, J., Thomas, J.C., Egan, D., Willis, B.S. , & Haney, B.J. (2002). Home-based cognitive-behavioral treatment successfully treats severe, chronic, and refractory obsessive-compulsive disorder: A single case analysis. Clinical Case Studies, 1, 95-121.
- Kauder, B. & Thomas, J.C. (2003). Construct-Related Evidence of Validity for the Inwald Personality Inventory and its Usefulness for Predicting Police Office Performance. Applied HRM Research 8, 81-84.
- Rosqvist, J., Thomas, J.C., & Egan, D., (2004). Home-based cognitive-behavioral treatment of chronic, refractory obsessive-compulsive disorder can be effective: single case analyses of four patients. Psychiatry Review Journal, Issue 1, 2004, 8-10.
- Thomas, J.D. & Kauder, B. (2004). Using the MMPI special scale configurations to predict field officer ratings of probationary police office performance. Applied HRM Research, 9, 73-74.
- Clay, J., & Thomas, J.C. (2005). Prevalence of Axis I psychopathology in an intellectually disabled population: Type of pathology and residential supports. Journal of Developmental and Physical Disabilities, 17, 89-99.
- Book, P., Thomas, J.C., & Steinke, D. (2005). Predictors of recidivism in a community-based residential program for delinquent youth. Journal for Juvenile Justice Services, 19, 101-120.
- Ey, S., Hadley, B., Allen, D., Palmer, S., Klosky, J., Deptula, D., Thomas, J.C., & Cohen, R. (2005). A new measure of children's optimism and pessimism: The youth life orientation test. Journal of Child Psychology and Psychiatry, 46, 548-558.
- Duncan, A., Thomas, J.C., Miller, C. (2005). Significance of family risk factors in development of childhood animal cruelty in adolescent boys with conduct problems. Journal of Family Violence, 20, 235-239.
Books:
- Thomas, J.C. & Hersen, M. (Eds.) (2003). Understanding research in clinical and counseling psychology. Mahwah, NJ: Lawrence Erlbaum Associates.
- Thomas, J.C. & Hersen, M. (Eds.) (2002). Handbook of mental health in the workplace. Thousand Oaks, CA: Sage Publications.
- Thomas, J.C. (Ed.) (2004). Comprehensive handbook of psychological assessment, Volume 4: Organizational assessment. M. Hersen, General Editor. New York: John Wiley & Sons.
- Thomas, J.C. & Hersen, H. (Eds). (2004). Psychopathology in the workplace: Recognition and adaptation. New York: Brunner-Routledge.
- Thomas, J.C. & Segal, D. (Eds). (2006). Comprehensive handbook of personality and psychopathology, Volume I: Personality and everyday functioning. New York: John Wiley & Sons.
- Hersen M. & Thomas, J.C. (Eds. in Chief). (2006). Comprehensive handbook of personality and psychopathology, 3 Volumes. New York: John Wiley & Sons.
- Hersen, M. & Thomas, J.C. (Eds.). (2007). Handbook of clinical interviewing with adults. Thousand Oaks, CA: Sage Publications.
- Thomas, J.C. & Hersen, M. (Eds.). (2007). Handbook of clinical interviewing with children. Thousand Oaks, CA: Sage Publications.
Book Chapters:
- Thomas, J.C., & Hite, J. (2002). Introduction: Mental health in the workplace. In J.C. Thomas & M. Hersen (Eds.), Handbook of mental health in the workplace (pp. 3-14). Thousand Oaks, CA: Sage Publications.
- Thomas, J.C. & Rosqvist, J. (2003). Introduction: Science in the service of practice. In J.C. Thomas & M. Hersen, (Eds.), Understanding research in clinical and counseling psychology (pp. 3-26). Mahwah, NJ: Lawrence Erlbaum Associates.
- Thomas, J.C. & Selthon, L. (2003). Planning data collection and performing analyses. In J.C. Thomas & M. Hersen, (Eds.), Understanding research in clinical and counseling psychology (pp.319-339). Mahwah, NJ: Lawrence Erlbaum Associates.
- Truax, P. & Thomas, J.C. (2003). Efficacy vs. effectiveness studies: Issues, designs, and methodologies. In J.C. Thomas & M. Hersen, (Eds.), Understanding research in clinical and counseling psychology (pp. 343-378). Mahwah, NJ: Lawrence Erlbaum Associates.
- Warren, R. & Thomas, J.C. (2003). Research in private practice: Being in practice does not mean not doing research. In J.C. Thomas & M. Hersen, (Eds.), Understanding research in clinical and counseling psychology (pp. 379-396). Mahwah, NJ: Lawrence Erlbaum Associates.
- Thomas, J.C. (2004). Overview. In Thomas, J.C. (Ed.), Comprehensive handbook of psychological assessment, Volume 4: Organizational assessment. M. Hersen, General Editor. New York: John Wiley & Sons.
- Thomas, J.C. (2004). Introduction. In J.C. Thomas & M. Hersen (Eds.), Psychopathology in the workplace: Recognition and adaptation (pp. 3-8). New York: Bruner-Routledge.
- Thomas, J.C. & Davies, M. (2004). Stress, working conditions, and worklife events. In J.C. Thomas & M. Hersen (Eds.), Psychopathology in the workplace: Recognition and adaptation (pp. 25-44). New York: Bruner-Routledge.
- Thomas, J.C. & Truax, P. (in press). Assessment and analysis of clinically significant change. In D. McKay (Ed.), Handbook of research methods in clinical and counseling psychology. Thousand Oaks, CA: Sage Publications.
- Thomas, J.C. (in press). Statistical Considerations. In M. Hersen & A.M. Gross (Eds.), Handbook of clinical psychology, Vol I, Adults. New York: Wiley.
Presentations since 2000:
- Thomas, J.C., Garcia, R., & Truax, P. (2000, April). The criterion problem meets outcome measures: Integrating themes from industrial/organizational and clinical psychology. Western Psychological Association, Portland, OR.
- Thomas, J.C. (2000, May). Review of the Technical Adequacy of the Oregon Statewide Assessment. Presented at Putting the CIM to the Test. Association for Curriculum Excellence, Portland, OR.
- Rosqvist, J., Thomas, J.C., Egan, D., & Willis, B.S. (2000, July). Home-based cognitive-behavioral treatment of chronic, refractory obsessive-compulsive disorder can be effective: Single case analyses of four patients. 27th International Congress of Psychology, Stockholm, Sweden.
- Kauder, B., Thomas, J.C., & Newman, R. (2000, August) Inwald Personality Inventory: Construct-related evidence of validity. American Psychological Association, Washington, D.C.
- Kauder, B., Thomas, J.C., & Newman, R. (2000, August). IPI Predictive validity: Predicting police performance in the Pacific Northwest. American Psychological Association, Washington, D.C.
- Rosqvist, J., Thomas, J.C., Haney, B.J., Egan, D., & Willis, B.S. (2001, May). Training family members and significant others to assist the obsessive-compulsive patient in implementing a home based cognitive-behavioral treatment program. Presented at the Oregon Psychological Association, Welches, Oregon.
- Christiansen, L.R., Ishee III, T.C., Rosqvist, J., Wilson, C., Thomas, J.C., & McKitrick, D. (2001, August). Professional organization needs survey of non-practitioner psychologists in Oregon. Presented at the American Psychological Association.
- Thomas, J.C. (2002, November). Understanding non-response: What other disciplines can teach us. Presented at Association for Advancement of Behavior Therapy, Reno, NV.
- Rosqvist, J., Michelson, S., Crabbe, J., Johns, D., Thomas, J.C. (2003), February). Therapeutic failures: Learning opportunities in graduate training and implications for success-biased research literature. Presented at Oregon Academy of Science, McMinnville, OR.
- Rosqvist, J., Maack, D., Sundsmo, A., Thomas, J.C., & Shallcross, R. (2004, February). General anxiety disorder model effectively treats health anxiety: Is health anxiety a subtype of general anxiety disorder-A case illustration with preliminary findings. Presented at Oregon Academy of Science, Portland, OR.
- Rosqvist, J., Sundsmo, A., Brodhagen, A., Clothier-Norling, D., Thomas, J.C., Sievers, M., & Shallcross, R. (2004, November). Generalized anxiety model effectively treats health anxiety: The role of intolerance for uncertainty. Presented at Association for the Advancement of Behavior Therapy, New Orleans, LA.
- Thomas. J.C., Condie, B., Rosqvist, J. & Truax, P. (2005, February). Converting between clinical significance index, c, and effect size, d, promotes scientific practice. Presented at Oregon Academy of Science, Corvallis, OR.
- Rosqvist, J., Clothier, D., Wanner, D., McLane, C., Cullin, K., & Thomas, J.C. (2005, March). Treating Posttraumatic Stress Disorder: Live dissemination of exposure-based treatment to doctoral students. Presented at Anxiety Disorders Association of America, Seattle, WA.
- Thomas, J.C. (2005, April). The due diligence of executives: The perspective of an academic I/O psychologist. Presented at Society for Industrial and Organizational Psychology, Los Angeles, CA.
- Rosqvist, J., Norling, D., Cullen, K., MacLane, C., Lindstrom, C., Rowland, B., Vegvari, K., Condie, B., & Thomas, J.C. (2005, November). Effectively disseminating exposure therapy: The role of a live training model in increasing utilization of exposure for PTSD. Presented at Association for Cognitive and Behavioral Therapy, Washington, D.C.
- Thomas, J.C., Blanton, J.S., Johnson, D.J., Gormanous, G., & Van Horne, B. (2006, May). Credentialing and licensing issues in industrial and organizational psychology. Presented at Society for Industrial and Organizational Psychology, Dallas, TX.
- Thomas, J.C. (2006, October). Psychological testing and employment decisions: Common types of tests. Presented at National Academy of Arbitrators Fall Education Conference, New Orleans, LA.
- Grant, K., Sikora, D.M., Li, S., & Thomas, J.C. (2007, February). The clinical utility of the Autism Diagnostic Observation Schedule in the diagnosis of Asperger's Disorder. Progress and Challenges in the Behavioral Treatment of Autism (Sponsored by the Association for Behavior Analysis), Boston, MA.
- Thomas, J.C. (2007, February). Testing the assumptions of organizational theory: Mental health in the workplace. Invited address, presented at the Enterpreneurship Series, University of California – Merced, Merced, CA.
- Haun, J.J., Arnaut, G.L.Y., Thomas, J.C., & Kritz, C.E. (2007, August). Utility of the PAI in the prediction of institutional misconduct. Presented at the American Psychological Association, San Francisco, CA.
Other Publications:
17 Book reviews since 1999 in Personnel Psychology and PsycCRITQUES: Contemporary Psychology: APA Review of Books
Jay C. Thomas, Ph.D., ABPP
School of Professional Psychology
Pacific University
511 SW 10th Avenue, 4th Floor
Portland, OR 97205
Phone: (503) 352-2634
Fax: (503) 352-2623
Email: thomajc@pacificu.edu
