Jack T. Waddell (he/him/his) is an assistant professor of clinical psychology in the Department of Psychology at Arizona State University and director of the Dynamic Research on Addiction & Momentary Assessment (DRAMA) Research Lab. He received his Ph.D. in Clinical Psychology from Arizona State University, followed by a postdoctoral fellowship in the University of California, San Diego Department of Psychiatry. His research program is focused on the etiology and risks associated with alcohol and cannabis misuse, using a combination of prospective longitudinal studies and digital health/ambulatory assessment methods. His work hones in on the momentary experiences of alcohol and cannabis use that enact risk for short and long-term health-related problems. Through his research, he aims to identify malleable mechanisms of risk that may serve as targets of personalized digital intervention to reduce the impact of substance use/misuse.
*Dr. Waddell will be reviewing applications to admit 1-2 students for the upcoming (Fall 2026) graduate admissions cycle.
- Ph.D. in Clinical Psychology, Arizona State University
- Clinical Internship, Carl T. Hayden VA Medical Center
- Bachelor's Degrees in Psychology & Journalism, University of Missouri
My program of research seeks to answer three fundamental research questions:
What are the short-term and long-term outcomes associated with problem alcohol and cannabis use?
We seek to better understand short-term outcomes and harms associated with problem use behavior via our use of ecological momentary assessment methods. Further, using prospective longitudinal designs, we seek to understand long-term risk for the development of substance use disorders and other mental health concerns that may ensue from problem alcohol and cannabis use.
What are the developmental and acute risk factors associated with problem alcohol and cannabis use?
By measuring alcohol and cannabis use in individuals’ daily lives, we seek to better understand acute factors that may help identify when, how and why alcohol and cannabis are used. Further, by tracking changes in alcohol and cannabis use across developmental transitions, we seek to better understand when and for whom problem alcohol and cannabis use develop over time.
What are the outcomes and unique etiological factors associated with alcohol and cannabis co-use?
The laboratory has a keen interest in the simultaneous use, or co-use, of alcohol and cannabis together. We seek to understand how co-use impacts short- and long-term risks as compared to alcohol-only or cannabis-only use, as well as the unique aspects of development and daily life that uniquely relate to co-use of alcohol and cannabis together.
For a full list of publications, please visit Dr. Waddell's Google Scholar Page.
Courses
2026 Spring
| Course Number | Course Title |
|---|---|
| PSY 591 | Seminar |
2025 Fall
| Course Number | Course Title |
|---|---|
| PSY 472 | Clinical Psychology |
2022 Fall
| Course Number | Course Title |
|---|---|
| PSY 366 | Abnormal Psychology |
Current Editorial Board Memberships:
- Associate Editorial Fellow, Drug and Alcohol Dependence
- Field Editor Fellow, Alcohol, Clinical and Experimental Research
- Guest Editor, Psychology of Addictive Behaviors
- Consulting Editor, Cannabis
- Editorial Board Member, Addictive Behaviors
- Editorial Board Member, International Journal of Drug Policy
- Editorial Board Member, Substance Use and Misuse
- Principal Reviewer, Psychology of Addictive Behaviors
- Editorial Board Member, Journal of Youth and Adolescence
Past Editorial Board Memberships:
- Consulting Editor, Experimental and Clinical Psychopharmacology
- Member, Scholars for Elevating Equity and Diversity
- Member, ENERGIZE Mentorship Program to increase underrepresented student participation