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Samuel Assessment Methods for Personality and Psychopathology Laboratory

SAMPPL Lab Members

Fall 2016 Lab Photo

Back Row, From Left: Princess Wednesday Porter-Daniels, Beth Schwarz, Griffin Marslander, Sarah Griffin, Dr. Samuel
Front Row, From Left: Anna James, Ashley Straut, Meredith Bucher, Nick Mundell (Taka Suzuki not pictured)

Principal Investigator

Samuel Headshot

Doug Samuel is an Assistant 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 (6) and Olivia (2).

Doug Samuel



Google Scholar

Research Gate

Purdue Profiles (February 2015)

Graduate Students

Sarah Griffin

Sarah is a 5th-year graduate student in Clinical Psychology. She comes 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., 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., South, S.C., & Griffin, S.A. (2015). Factorial Invariance of the Five Factor Model Rating Form. Assessment, 22, 66-75.

Sarah Griffin, M.S.

Taka Suzuki

Taka is a 4th-year graduate student in Clinical Psychology. He comes 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. (in press). Capturing the DSM-5 alternative perrsonality disorder model traits in the five-factor model's nomological net. Journal of Personality.

Taka Suzuki, M.S.


Meredith is a 2nd-year graduate student in Clinical Psychology. She comes to Purdue after completing her Master's Degree at Ball State University and B.A. at Manchester College.

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

Meredith Bucher, M.S.

Undergraduate Honors Students

Undergraduate Research Assistants

Julia Pennington
Sri Nagarajan
Alyssa Leong
Alexa Banker 
Alyse Dittrich
Griffin Marslander
Princess Wednesday Porter-Daniels

Undergraduate RA Alumni

Nick Mundell
Ashley Straut
Anna James
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