Graduate Students

Aubrey DeVinney, B.A.
Aubrey DeVinney is a doctoral student in the Clinical Psychology program at Texas Tech University working under the mentorship of Dr. Sean Mitchell. She earned her B.A. in Psychology with a minor in Neuroscience from the University of North Carolina at Chapel Hill and previously worked as a research program coordinator at the Johns Hopkins Bloomberg School of Public Health Center for Suicide Prevention.
Her research interests focus on social and interpersonal risk factors for suicide among adolescents and young adults, as well as the use of ecological momentary assessment and intervention to monitor and address suicidal thoughts and behaviors in real time.

Michael LeDuc, M.A.Ed., M.A.
Mike LeDuc is a doctoral student in the Clinical Psychology program at Texas Tech University working under the mentorship of Dr. Sean Mitchell. He earned his B.A. in Psychology from Florida International University, his M.A.Ed. in Research and Evaluation Methodology from the University of Florida, and his M.A. in Psychology from Teachers College, Columbia University.
His research focuses on the assessment of suicidal thoughts and behaviors using smartphone-based and ecological momentary assessment methods, as well as transdiagnostic cognitive and affective risk factors associated with suicide risk.

Cole Marvin, M.A.
Cole Marvin is a doctoral student in the Clinical Psychology program at Texas Tech University working under the mentorship of Dr. Sean Mitchell. He earned his B.S. in Psychology and Addictions Counseling from Indiana Wesleyan University and previously worked in as a project coordinator affiliated with Michigan State University College of Human Medicine as part of a Zero Suicide implementation initiative.
His research examines proximal, interpersonal, and clinical dynamic processes involved in suicide risk and prevention. Much of his work aims to study the transition from suicidal desire to intent, features of suicide capability, and lethal means safety from ideation-to-action framework perspectives. He is also interested in improving the clinical utility, measurement, and implementation of suicide risk assessment and intervention in interdisciplinary healthcare settings.

Dea Mitaj, M.A.
Dea Mitaj is a doctoral student in the Clinical Psychology program at Texas Tech University working under the mentorship of Dr. Sean Mitchell. She earned her B.S. in Psychology and her M.A. in Psychological Research at Texas State University.
Her research interests focus on acute suicidal crisis, particularly how access to methods, ambivalence, and various behavioral/cognitive factors play a role in the transition from suicide ideation to action. In addition, she is also interested in methodology and exploring how we study suicide and how we can develop, validate, and reexamine current approaches to better predict suicide-related outcomes.

Regan Sweeney, M.A.
Regan Sweeney is a doctoral student in the Clinical Psychology program at Texas Tech University working under the mentorship of Dr. Sean Mitchell. She earned her B.S. in Psychology and International Affairs from George Washington University and previously worked in the Mental Illness Research, Education, and Clinical Center at the James J. Peters Veterans Affairs Medical Center in Bronx, New York.
Her research focuses on factors associated with suicide risk and stress-related conditions, including moral injury, particularly among veteran and military-affiliated populations.

Mia Swenson, B.S.
Mia Swenson is a doctoral student in the Clinical Psychology program at Texas Tech University under the mentorship of Dr. Sean Mitchell. She earned her B.S. in Psychology with a concentration in Behavioral Neuroscience and a minor in Mathematics from Fairfield University.
Her research interests focus on suicide prevention, disclosure of suicidal thoughts and behaviors, dynamic fluctuations of suicidal thoughts, and measurement of such fluctuations through ecological momentary assessments, as well as improving risk assessments and safety plans for suicidal thoughts in youth and young adults.
Undergraduate Research Assistants
The SRPR Laboratory is not accepting applications for undergraduate research assistants at this time. Applications will be accepted again in spring 2027 or as needed.
There is additional information about being involved in undergraduate research through the Department of Psychological Sciences Advising Office.
SRPR Lab Alumni
Nikki La Rosa, Ph.D.
Dr. Nikki La Rosa is a psycho-oncologist at the James A. Haley Veterans’ Hospital in Tampa, Florida. She completed her predoctoral internship at the Orlando VA Medical Center and earned her Ph.D. in Clinical Psychology from Texas Tech University in 2023 under the mentorship of Dr. Sean Mitchell.
Julianne Cary, Ph.D.
Dr. Julianne Cary is completing her postdoctoral fellowship at the Texas Veterans Health Care System in San Antonio and earned her Ph.D. in Clinical Psychology from Texas Tech University in 2026 under the mentorship of Dr. Sean Mitchell.
Sarah Sparks, Ph.D.
Dr. Sarah Sparks earned her Ph.D. in Clinical Psychology from Texas Tech University in 2026 under the mentorship of Dr. Sean Mitchell.
