Jay C. Thomas, PhD, ABPP

Email Address: 
Phone Number: 
503-352-2634

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.

Education

PhD in Industrial and Organizational Psychology, The University of Akron, Akron, Ohio, 1981

MA in Industrial and Organizational Psychology, The University of Akron, Akron, Ohio, 1976

BS Psychology, Portland State University, Portland, Ore., 1974

Professional Membership

American Psychological Association

American Psychological Society

American Statistical Association

Society for Industrial and Organizational Psychology, Inc.

Society of Consulting Psychology

Member, Board of Trustees, American Board of Professional Psychology

Certification and Licensure

Board Certified in Industrial 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 2000

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.

Oliver, C., Shafiro, M., Bullard, P., & Thomas, J.C. (in press).  Use of integrity tests may reduce worker’s compensation costs.  Journal of Business and Psychology.

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.

Thomas, J.C., & Hersen, M. (Eds.) (2010).  Handbook of clinical psychology competencies, vol 1:  General competencies.  New York:  Springer. 

Thomas, J.C., & Hersen, M. (Eds.) (2010).  Handbook of clinical psychology competencies, vol 2:  Adult assessment and intervention.  New York:  Springer. 

Thomas, J.C., & Hersen, M. (Eds.) (2010).  Handbook of clinical psychology competencies, vol 3:  Child assessment and intervention.  New York:  Springer. 

Thomas, J.C. (2010).  Specialty Competencies in Organizational and Business Consulting Psychology.  New York:  Oxford University Press. 

Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed.  New York:  Routledge.

Selected 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. (2008).  Statistical Considerations.  In M. Hersen & A.M. Gross (Eds.)  Handbook of clinical psychology, Vol I, Adults (pp. 205-223).  New York:  Wiley.

Thomas, J.C. & Truax, P. (2008).  Assessment and analysis of clinically significant change.  In D. McKay (Ed.) Handbook of research methods in clinical and counseling psychology (pp. 317-336).  Thousand Oaks, CA:  Sage Publications.

Thomas, J.C., & Michael, P.G. (2010).  Statistica.  In N.J. Salkind, D.M. Dougherty, & Frey, B. (Eds.) Encyclopedia of research design (pp. __).  Thousand Oaks, CA:  Sage Publications.

Thomas, J.C., & Meeke, H. (2010).  Rater error.  In I.B. Weiner & W.E. Craighead (Eds.).  The Corsini Encyclopedea of Psychology, Vol. 1, 4th Ed. (pp. 1424-1425).  New York:  John Wiley & Son.

Thomas, J.C., & Rosqvist, J. (in press).  Science in the service of practice.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Thomas, J.C., & Christiansen, L. (in press).  Measurement theory in research.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Thomas, J.C., & Michael, P. (in press).  Meta-analysis.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Gilman, I., Thomas, J.C., & Winder, M. Reviewing the Literature and Evaluating Existing Data.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Thomas, J.C., Meeke, H., & French, L.S. (in press).  Planning data collection and performing analyses.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Rosqvist, J., Thomas, J.C., & Truax, P. (in press).  Effectiveness versus efficacy studies.  In Thomas, J.C., & Hersen, M. (in press).  Understanding Research in Clinical and Counseling Psychology, 2nd Ed (pp. ___)  New York:  Routledge.

Presentations since 2005:

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.

Thomas, J.C., Peters, C., Wimmer, S., Meeck, H., & Strickland, N.,  (2008, February).  When the client is an institution: Interdisciplinary consulting and research opportunities at the Oregon State Hospital.  Interdisciplinary Case Conference, College of Health Professions, Pacific University, Hillsboro, OR.

Baechel, C., & Thomas, J.C. (2010, February).  Organizational culture change in a state psychiatric hospital.  Presented at the Society for Consulting Psychology, Scottsdale, AZ.

Thomas, J.C., & Frew, J. (2010, July).  Organizational factors in the implementation of evidence based practice.  Workshop presented at American Board of Professional Psychology Continuing Education, Portland, OR.

Other Publications:

24 Book reviews since 1999 in Personnel Psychology and PsycCRITQUES:  Contemporary PsychologyAPA Review of Books