Portrait of Kathy Pezdek

Kathy Pezdek is a professor in Claremont Graduate University’s Department of Psychology. Her extensive research has explored numerous aspects of applied cognitive psychology, primarily topics related to law and psychology that apply to both adults and children. These topics include eyewitness memory, the suggestibility of memory, lineup techniques, and autobiographical memory. Her teaching interests include applied cognitive psychology, law and psychology, memory and cognition, statistics, and research design and methodology.

Pezdek received her MA and PhD in Psychology from the University of Massachusetts, Amherst. Pezdek is an elected Fellow of the Association for Psychological Science (APS) and the Psychonomic Society, and she has served as the North American editor of Applied Cognitive Psychology. She has also served on the editorial boards for the Journal of Applied Psychology (2002–2009); Journal of Applied Research in Memory & Cognition (2011–present); Legal and Criminological Psychology (2005–present); Journal of Trauma & Dissociation (2014–present); Applied Cognitive Psychology (1993–2011); and Child Development (1984–1985, 1987–1991).

Pezdek is a cognitive psychologist specializing in the study of memory, specifically eyewitness memory. She has an impressive record of published research on this topic, regularly publishing with her graduate students. She frequently serves as an expert witness in the area of eyewitness memory and identification and has testified on this topic in federal, state, and superior court cases.


Co-authored with T. Shapland and J. Barragan. “Memory outcomes of police officers viewing their body-worn camera video.” Journal of Applied Research in Memory and Cognition, (2022).

Psychological research on the use of Body-Worn Cameras.” In Advances in psychology and law, Vol. 6, edited by M.K. Miller and B.H. Bornstein. Springer, 2022.

Co-authored with E. Abed and A. Cormia. “Elevated stress impairs the accuracy of eyewitness memory but not the confidence–accuracy relationship.” Journal of Experimental Psychology: Applied 27, no. 1 (2021): 158-69.

Co-authored with E. Abed and D. Reisberg. “Marijuana impairs the accuracy of eyewitness memory and the confidence–accuracy relationship too.” Journal of Applied Research in Memory and Cognition 9, no. 1 (2020): 60-67.

Co-authored with T.B. Nguyen and E. Abed. “Postdictive confidence (but not predictive confidence) predicts eyewitness memory accuracy.” Cognitive Research: Principles & Implications 3, no. 32 (2018).

Co-authored with M.R. Barlow and I. Blandón-Gitlin. “Trauma and memory.” In American Psychological Association Handbook on Trauma and Psychology, vol. 1, edited by J. Cook, C. Dalenberg, and S. Gold, 307-31. Washington DC: American Psychological Association, 2017.

Intermediate Stats
Applied Cognitive Psychology
Law & Psychology
Research Practicum: Applied Memory