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Samuel Assessment Methods for Personality and Psychopathology Laboratory

SAMPPL Lab Members

Fall 2016 Lab Photo

From Left: Meredith Bucher, Sri Nagarajan, Kendall Shrack, Anna James, Meg Becker, Julia Pennington, Micaela Hazlewood, Griffin Marslander, Taka Suzuki, Dr. Samuel (Alexa Banker, not pictured)

Principal Investigator

Samuel Headshot

Doug Samuel is an Associate Professor of Clinical Psychology at Purdue University.  He is generally inerested in studying the intersection of personality and psychopathology, with a particular emphasis on how personality models can be used clinically.  Before arriving at Purdue, he received his Ph.D. from the University of Kentucky under the mentorship of Thomas A. Widiger.  He then moved to Connecticut where completed a clincal internship at Yale-New Haven Psychiatric Hospital providing Dialectial Behavior Therapy and a post-doctoral fellowship within the Yale School of Medicine and the Veteran's Health Administration.  Dr. Samuel originally hails from Indiana, growing up in Portage and getting his B.A. at Indiana University - Bloomington. In his spare time he enjoys watching college basketball, playing golf, and spending time with his wife, Michelle, and their daughters Alexis (7) and Olivia (3).

Doug Samuel



Google Scholar

Research Gate

Purdue Profiles (February 2015)

Graduate Students

Sarah GriffinSarah Griffin, M.S.

Sarah is a 6th-year graduate student in Clinical Psychology, who is currently on internship at the Yale - New Haven Psychiatric Hospital. She came to Purdue after completing her B.A. at Washington University in St. Louis.

Griffin, S. A., & Samuel, D. B. (2014). A Closer Look at the Lower-Order Structure of 
the Personality Inventory for DSM-5: Comparison with the Five Factor Model Personality Disorders: Theory, Research, and Treatment, 5, 406-412.

Griffin, S. A., Lynam, D. R., & Samuel, D. B. (in press). Understanding Representations of Impulsivity in Dimensional Models of Personality Pathology. Personality Disorders: Theory, Research, & Treatment.

Griffin, S. A., Suzuki, T., Lynam, D. R., Crego, C., Widiger, T. A., Miller, J. D., & Samuel, D. B. (in press). Development and examination of hte Five Factor Model Obsessive Compulsive Inventory - Short Form. Assessment.

Samuel, D. B., Suzuki, T., & Griffin, S. A. (2016). Clinicians and Clients don't agree: Five implications for clinical science. Journal of Abnormal Psychology, 125, 1001-1010. 

Samuel, D. B., South, S.C., & Griffin, S.A. (2015). Factorial Invariance of the Five Factor Model Rating Form. Assessment, 22, 66-75.


Taka Suzuki, M.S.Taka Suzuki

Taka is a 5th-year graduate student in Clinical Psychology. He came to Purdue after completing his Master's Degree at Villanova University and his B.A. at Michigan State University.

Suzuki, T., Samuel, D. B., Pahlen, S., & Krueger, R. F. (2015). DSM-5 Alternative Personality Disorder Model Traits as Maladaptive Extreme Variants of the Five-Factor Model: An Item-Response Theory Analysis. Journal of Abnormal Psychology124, 343-354.

Suzuki, T., Griffin, S. A. & Samuel, D. B. (2017). Capturing the DSM-5 alternative personality disorder traits in the five-factor model's nomological net. Journal of Personality, 85, 220-231.

Suzuki, T. & Samuel, D. B. (2016). Clarifying the nature and structure of personality disorder. In R. Scott & S. Kosslyn (Eds.) Emerging Trends in the Social and Behavioral Sciences, Hoboken, NJ: John Wiley and Sons

Suzuki, T., Hill, K., Ait Oumeziane, B., Foti, D. J., Samuel, D. B. (under review). Bringing the brain into personality assessment: A case for event-related potentials.

Suzuki, T., South, S. C., Samuel, D. B., Wright, A. G. C., Yalch, M. M., Hopwood, C. J., & Thomas, K. M. (under review). Measurement invariance of the DSM-5 Section III pathological personality trait model across sex.

BucherMeredith Bucher, M.S.

Meredith is a 3rd-year graduate student in Clinical Psychology. She came to Purdue after completing her Master's Degree at Ball State University and B.A. at Manchester College.

Bucher, M. A. & Samuel, D. B. (under review). Development of a short form of the Abridged Big Five-Dimensional Circumplex Model to aid with the organization of personality traits.

Samuel, D. B. & Bucher, M. A. (2017). Assessing the Assessors: The feasibility and validity of clinicians as a source for personality disorder research. Personality Disorders: Theory, Research & Treatment.

Bucher, M. A. & Samuel, D. B. (2017). The Five Factor Model of Personality. In A. Wenzel (Ed.) The SAGE Encyclopedia of Abnormal and Clinical Psychology (pp. 1487-1488). Thousand Oaks, CA: Sage.

Undergraduate Honors Students

Undergraduate Research Assistants

Julia Pennington
Micaela Hazlewood
Sri Nagarajan
Anna James
Alexa Banker
Griffin Marslander
Meg Becker
Kendall Shrack

Undergraduate RA Alumni

Alyssa Leong
Alyse Dittrich
Princess Wednesday Daniels-Porter
Nick Mundell
Ashley Straut
Beth Schwarz
Erin Moorman
Becca Wilmoth
Shelby Rymers
Isaac Nutter
Emmy Dennison
Melissa Davoust (Master's Student in Global Health Sciences at Oxford University)
Amber Kinney (Master's Student in Counseling Psychology at Indiana University)
Tess Smith (Doctoral student in Clinical Psychology at the University of Kentucky)
Brandon Cornelius
Olivia Trancik (Student at the IU School of Dentistry)
Katie Pendergast (Master's student at UT-Chattanooga)
Hannah Pruett
Alicia Kerr (Doctoral student in biological in Translational Biology, Medicine & Health at Virginia Tech)
Casey May (Doctoral student in Clinical Psychology at UNC-Greensboro)
Brad Schlotter (Student at the Indiana University Maurer School of Law)
Meghan Reilly

Fall 2012 Lab Photo

Fall 2013 Lab Photo

Fall 2014 Lab Photo

Fall 2015 Lab Photo

Fall 2016 Lab Photo