Bill Ellison is an Assistant Professor of Psychology at Trinity University. He teaches Psychopathology, Personality, and Statistics and Research Methods.
Ellison is originally from Greenville, South Carolina and earned a bachelor’s degree in History from Princeton University before changing course to attend graduate school in clinical psychology at Penn State University. He received additional clinical training at the Massachusetts Mental Health Center/Harvard Medical School and at Rhode Island Hospital/Alpert Medical School of Brown University.
Ellison’s research focuses on personality disorders, particularly Borderline Personality Disorder, and the mechanisms, diagnosis, and treatment of personality pathology. He works to develop person-specific models of psychopathology using ecological momentary assessment techniques. Ellison also uses meta-analytic methods to research psychotherapy process and to help evaluate the evidence base for psychotherapy.
Ph.D., Pennsylvania State University
M.S., Pennsylvania State University
A.B., Princeton University
Ellison, W. D., Levy, K. N., Newman, M. G., Pincus, A. L., Wilson, S. J., & Molenaar, P. C. M. (in press). Dynamics among borderline personality and anxiety features in psychotherapy outpatients: An exploration of nomothetic and idiographic patterns. Personality Disorders: Theory, Research, and Treatment.
Ellison, W. D., Gillespie, M. E., & Trahan, A. C. (in press). Individual differences and stability of dynamics among self-concept clarity, impatience, and negative affect. Self and Identity. doi:10.1080/15298868.2019.1580217
Ellison, W. D., Rosenstein, L., Chelminski, I., Dalrymple, K., & Zimmerman, M. (2016). The clinical significance of single features of borderline personality disorder: Anger, affective instability, impulsivity, and chronic emptiness in psychiatric outpatients. Journal of Personality Disorders, 30 (2), 261-270.
Beeney, J. E., Hallquist, M. N., Ellison, W. D., & Levy, K. N. (2016). Self-other disturbance in borderline personality disorder: Neural, self-report, and performance-based evidence. Personality Disorders: Theory, Research, and Treatment, 7 (1), 28-39.
Ellison, W. D., Levy, K. N., Cain, N. M., Ansell, E. B., & Pincus, A. L. (2013). The impact of pathological narcissism on psychotherapy utilization, initial symptom severity, and early-treatment symptom change: A naturalistic investigation. Journal of Personality Assessment, 95 (3), 291-300.