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Dr. Bret Roark

Chair, Division of Behavioral and Social Sciences
Ralph and Marie Barby Professor of Psychology
Professor of Psychology

Office Location Owens Hall, 301
Phone (Office) 405.585.4176


Dr. Roark began teaching at OBU in 1992. His graduate training is in Cognitive Psychology, and he currently teaches a variety of courses related to the science of Psychology. He is a recipient of the Promising Teacher Award at OBU and is the Ralph and Marie Barby Endowed Professor of Psychology. Each year, Dr. Roark is proud to take several of his students to psychological conferences to present the research they have conducted under his supervision.


  • B.A., Oklahoma Baptist University
  • Ph.D., Texas Tech University
  • Dissertation: "Human and Computer Learning of Linguistic Categories"

Subjects Taught

  • Statistics for Behavioral and Social Sciences
  • Research
  • Cognition
  • Biological Psychology

Selected Publications

  • 2002. Worthen, J. B. & Roark, B. Free recall accuracy for common and bizarre verbal information. American Journal of Psychology, 115, 377-394.
  • 1998. Worthen, J. B., Hutchens, S. A., Roark, B., & Gutierrez, G. The internal structure of social categories: Components and predictors. American Journal of Psychology, 111, 581-605.
  • 1996. Taraban, R. & Roark, B. Competition in learning language-based categories. Applied Psycholinguistics, 17, 125-148.
  • 1995. Brant, L., Marshall, P. H., & Roark, B. On the development of prototypes and preferences. Empirical Studies of the Arts, 13, 161-170.