Dr. Jeffrey Vittengl earned his PhD in clinical psychology at the University of Iowa. He has taught abnormal, clinical, experimental, psychological research, personality, behavior modification, career planning, and data analysis courses at Truman State University since 2001. Dr. Vittengl's research interests include treatment of depression, assessment and psychometrics, and psychosocial functioning in depression and anxiety. For example, see https://pubmed.ncbi.nlm.nih.gov/?term=Vittengl+JR&cauthor_id=30861461