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Previous Graduate Students
BSU Clinical Psychology Master’s Program Alumni associated with the P2 Lab.
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Yasmine A. Griffin, MA
Yasmine A. Griffin (she/her) earned her master’s degree in Clinical Psychology at Ball State University, where she was a graduate assistant in the Personality and Psychopathology (P2) Lab. Her research in the lab focused on the assessment of externalizing difficulties, particularly in adolescents. Yasmine’s master’s thesis, completed under Dr. Lee’s supervision, examined developmental influences on adolescents’ scores on the MMPI-A-RF. Yasmine is now pursuing her PhD in Clinical Psychology at Mississippi State University under the mentorship of Dr. Hilary DeShong. Her current work examines personality pathology, the assessment and evaluation of emotional and behavioral difficulties, and factors that influence personality change.
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Mattea I. Parker, MA, MS
Mattea Parker (she/her) earned her master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2025. While at Ball State, Mattea was a graduate assistant in the Personality and Psychopathology (P2) Lab. Her research focused on culturally responsive psychological assessment, suicide risk, and cultural stressors contributing to mental health difficulties in Black communities. In August 2025, Mattea began her PhD in Clinical Science at the University of California – Berkeley, where she continues to study how racial trauma and stressors contribute to mental health disparities, particularly suicide risk, among Black youth and families, under the mentorship of Dr. Jasmin Brooks Stephens.
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Colette Delawalla, MA, MS
Colette Delawalla (she/her) earned her master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2022. While at Ball State, she was a graduate research assistant in the Personality and Psychopathology (P2) Lab and completed her thesis, Positive and Negative Urgency: To Lump or to Split? An Investigation into Affect-Specific Impulsive Behavior, under Dr. Lee’s supervision. Colette and Dr. Lee also collaborated on several projects examining the conceptualization and assessment of impulsivity and related phenomena. This work included a paper published in Psychological Assessment on the applied measurement of components of Finn’s Cognitive-Motivational Model of problematic alcohol use. After graduating, Colette joined the Clinical Science PhD program at Emory University, where she studies compulsive alcohol use under the mentorship of Dr. Rohan Palmer. She is also the founder and CEO of Stand Up for Science and a mom.
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Nicholas Mundell, MA, MS
Nicholas (Nick) Mundell (he/him) earned his master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2021. His thesis, completed under Dr. Lee’s supervision, examined the role of demoralization in college students’ risky drinking. While at Ball State, Nick also served as a graduate assistant for Dr. Evette Simmons-Reed in the Department of Special Education and completed an internship as a statistician with Dr. James Jones and Dr. Kianre Eouanzoui in the Department of Research and Academic Effectiveness. He is now employed as a data analyst in Institutional Survey Support at Indiana University–Indianapolis.
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Megan Keen, MA, MS
Megan Keen (she/her) earned her master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2021. As a graduate assistant in the Personality and Psychopathology (P2) Lab, she conducted research on underreporting response styles and the assessment of internalizing phenomena. Her master’s thesis, Understanding Compulsivity: Exploring and Defining a Construct, completed under Dr. Lee’s supervision, examined the construct of compulsivity and sought to reconcile categorical and dimensional perspectives on this domain of functioning. Megan and Dr. Lee published a study on the assessment of underreporting in Assessment in 2023. Megan’s research interests include psychological assessment, dimensional models of psychopathology, and suicidality. She is currently pursuing her PhD in Counseling Psychology at Texas Tech University under the mentorship of Dr. Paul Ingram.
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Katelyn Kasula, MA, MS
Katelyn Kasula (she/her) earned her master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2020. As a graduate assistant in the Personality and Psychopathology (P2) Lab, she completed her thesis, An Investigation of Gender Bias on the MMPI-A in a Juvenile Justice Setting, under Dr. Lee’s supervision. Katelyn is currently a Data Analyst at Magee-Womens Research Institute, where she contributes to studies aimed at improving women’s health.
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Jaiden Butler, MA, MS
Jaiden Butler (she/her) earned her master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2020. As a graduate assistant in the Personality and Psychopathology (P2) Lab, she completed her thesis, Construct Validation of the ELSRP in a Correctional Sample, under Dr. Lee’s supervision. A revised version of this work was published in Assessment in 2022. Jaiden is currently a Research Associate at the American Institutes for Research, where she designs and conducts research and evaluation projects focused on advancing employment and economic opportunities for low-income and historically underserved communities.
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Eva Argyriou, PhD
Dr. Eva Argyriou (she/her) earned her master’s degree in Clinical Psychology at Ball State University in July 2018. While at Ball State, she worked closely with Dr. Lee on several projects, including a meta-analysis on response inhibition and internet gaming disorder published in Addictive Behaviors in 2017. Eva also completed her thesis, Emotion Regulation Processes in Distress and Fear Liabilities: Maladaptive Evaluation of Regulatory Strategies, under Dr. Lee’s supervision, and a manuscript based on this work was later published in the Journal of Affective Disorders in 2020. After completing her degree at Ball State, Eva pursued her PhD in Clinical Psychology at Purdue University in Indianapolis (formerly IUPUI) under the mentorship of Dr. Wei Wu and Dr. Melissa Cyders. Her doctoral research was supported by a Ruth L. Kirschstein National Research Service Award from the National Institute on Alcohol Abuse and Alcoholism. Eva completed her clinical internship at the Charleston Consortium Psychology Internship Program (Medical University of South Carolina and the Ralph H. Johnson VA Medical Center) and earned her doctorate in 2024. She is currently a Postdoctoral Research Fellow in the Department of Psychiatry at the Indiana University School of Medicine, conducting research on bipolar disorders, emotion-based mechanisms of psychopathology risk, and precision mental health interventions.
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Cole Morris, PhD
Dr. Cole Morris (they/them) earned their master’s degrees in Clinical Psychology and Quantitative Psychology at Ball State University in July 2019. As a graduate assistant in the Personality and Psychopathology (P2) Lab, they completed their thesis under Dr. Lee’s supervision, examining the assessment of feigned ADHD. A manuscript based on this work was published in Psychological Assessment in 2023. Cole went on to earn their PhD in Counseling Psychology at Texas Tech University (TTU) in 2025, with a doctoral minor in Women and Gender Studies. Cole received multiple awards throughout their doctoral training, including the 2023 Mary S. Cerney Student Paper Award from the Society for Personality Assessment, Doctoral Dissertation Completion Fellowship from TTU, and Psychological Science Department awards for commitment to research and DEI. Cole completed their predoctoral internship at Rogers Behavioral Health in the Trauma Recovery Program, where they were awarded the One Roger’s award for commitment to excellent clinical practice. Cole is now the Ettner Transgender Health fellow at the Eli Coleman Institute for Sexual and Gender Health at the University of Minnesota Medical School. Their research focuses on sexual and gender health, culturally responsive treatment and psychological assessment, healing from traumatic experiences, group therapy interventions, and the application of liberation and feminist frameworks to clinical training and practice.
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Andrew J. Kremyar, PhD
Dr. Andrew J. Kremyar (Andy; he/him) earned his master’s degree in Clinical Psychology at Ball State University in July 2018. While at Ball State, he was a graduate assistant in the Personality and Psychopathology (P2) Lab and completed his thesis, Construct Validity of the Affect Sensitivity Nomological Net, under Dr. Lee’s supervision. Andy and Dr. Lee also collaborated on several projects related to psychological assessment, including a study on positive health behaviors published in the Journal of Personality Assessment in 2018 and another focused on the assessment of anxiety sensitivity published in Assessment in 2022. After completing his predoctoral internship at the University of Michigan’s Mary A. Rackham Institute in 2024, Andy earned his PhD in Clinical Psychology from Kent State University. During his time at Kent, Andy worked under the mentorship of Dr. Yossef Ben-Porath and conducted research examining the MMPI-3, including its ability to assess dimensional conceptualizations of psychopathology. Andy is now an Assistant Professor of Psychology at Ohio Northern University, his undergraduate alma mater, where he directs the Clinical Outcomes, Measurement, and Personality Assessment (COMPASS) Lab. His lab studies the intersection of personality and mental health and the use of psychological assessment tools to better understand both.
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Jordan T. Hall, PhD
Dr. Jordan Hall (she/her) earned her master’s degree in Clinical Psychology at Ball State University in July 2018. While at Ball State, she was a graduate assistant in the Personality and Psychopathology (P2) Lab and in Dr. Anjolii Diaz’s Psychophysiological Attention, Cognition, and Emotion (PACE) Lab. Her thesis, Construct Validity of the MMPI-2-RF’s Demoralization (RCd) Scale, was completed under Dr. Lee’s supervision. Jordan and Dr. Lee also coauthored a paper on the assessment of adaptive functioning with the MMPI-2-RF, published in the Journal of Personality Assessment in 2021. Jordan completed her PhD in Clinical Psychology at Kent State University in 2024, working throughout her doctoral training as a research assistant in the MMPI Research Group under the mentorship of Dr. Yossef Ben-Porath. She completed her predoctoral internship at the Louis Stokes Cleveland VA Medical Center, with rotations in general outpatient mental health, residential services for veterans experiencing homelessness, substance use disorders, PTSD, and acute inpatient stabilization. Jordan is now working toward her licensure as a psychologist in Kentucky and provides forensic assessment services in a private practice setting.
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