Principal Investigator

Adam Pearson, Ph.D., (CV) is an associate professor of psychology at Pomona College and a member of the graduate faculty in the School of Social Science, Policy, and Evaluation at Claremont Graduate University. He received a B.S. in Biology from Cornell University, and M.S., M.Phil, and Ph.D. in social psychology from Yale University. His research explores how identity processes, biases, and intergroup dynamics impact collective action and decision making. He is a Fellow of the Society of Experimental Psychology, and is currently Associate Editor of Group Processes and Intergroup Relations. His work has been cited in legal cases and in policy initiatives and has appeared in media outlets such as TIME, The Boston Globe, New York Magazine, Huffington Post, NPR, and The Atlantic.

Lab Members

Josh Hirschfeld-Kroen is a senior psychology major and philosophy minor. His interests fall at the intersection of philosophy and psychology, such as questions that relate to dual process frameworks of morality, evolution of religion, and the influence of religious ideas on behavior.  Starting fall 2017, Josh will be the Lab Manager of the Morality Lab at Boston College.


Mackenzie Cummings is the SCI Lab Coordinator and a third-year Pomona psychology major from Chula Vista, CA. In addition to studying prejudice and social cognition, she is also a competitive swimmer and interested in sport psychology. In the summer of 2016 she was a research assistant in the Social Cognitive Development Lab at the University of Washington.


Yun Zhang joined SCI lab in 2016 and is interested in the topics of self and identity; prejudice, stereotyping, and discrimination; and moral judgment. In the SCI lab, Yun is currently investigating how the language used to describe contemporary forms of bias (e.g., “unconscious bias” versus “microaggressions”) impacts how it is perceived among lay audiences.


Lucas hails from Mill Valley, California. He recently graduated with a degree in Psychology from Pomona College, and is currently working there as the Psychology Department’s Research Support Specialist. Lucas’s research interests include developmental psychopathology and the relationships between social norms and perceptions of mental illness.


Siyi Chen is a student at Claremont McKenna College and is interested in social cognition, mathematics, and interdisciplinary perspectives on human social behavior from politics, philosophy, and economics. During her free time, she enjoys watching mind-bending films by Christopher Nolan, Ang Lee, and Wong Kar-Wai.


Matthew Ballew is a 5th-year doctoral candidate in the social psychology program at Claremont Graduate University. Matt’s research interests center around understanding people’s connection to groups, communities, and the natural world. His current research explores how social media can be used to enhance public engagement with environmental issues and the role of positive emotions in climate change communication. His work in the SCI Lab explores how racial and ethnic diversity influence collective action on climate change and how lay beliefs about diversity influence support for diversity initiatives in organizations.

Friends of the lab and recent collaborators:

  • Jonathon Schuldt, Cornell
  • Rainer Romero-Cayñas, Environmental Defense Fund, New York
  • Sander van der Linden, Cambridge
  • Neil Lewis, Cornell
  • Luis Hestres, University of Texas, San Antonio
  • Jack Dovidio, Yale
  • Sam Gaertner, U Delaware
  • Tessa West, NYU
  • Chadly Stern, U Illinois
  • Michael Kukenberger, UNH School of Management
  • Ajay Satpute, Northeastern
  • Piercarlo Valdesolo, Claremont McKenna College
  • Leaf Van Boven, U Colorado
  • Jason Siegel, Claremont Graduate University
  • Bill Crano, Claremont Graduate University