Dr. Michel Regenwetter

Section 1

Division: Quantitative

Professor of Psychology
Professor of Political Science

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Contact Information:


  • Behavioral Economics
  • Behavioral Social Choice
  • Decision Making
  • Mathematical Psychology

Research Description

Individual preferences fluctuate over time and differ among people. Few models of utility and decision making attempt to capture this fundamental fact explicitly. Prof. Regenwetter's primary goal is to model, measure, and predict preference and choice behavior when it is allowed to vary. Random utility models are designed as a modeling language to capture and quantify the ubiquitous variability in choice and preference behavior. Prof. Regenwetter's primary interests can be categorized as falling within three paradigms: probabilistic measurement, social choice, and preference evolution over time.Probabilistic measurement theory reformulates axiomatic measurement structures (e.g., in decision theory) in a probabilistic framework and thereby makes them empirically (and statistically) testable.Social choice theory is the theory of aggregating individual preferences or choices into a social ordering or choice. Dr. Regenwetter's interest in social choice is behavioral. Using random utility models as measurement tools, he evaluates and compares competing social choice functions on empirical data of various kinds.Dr. Regenwetter studies preference change over time via stochastic process models in which random utilities are indexed by continuous time.


  • Ph.D. Mathematical Behavioral Sciences, University of California at Irvine

Distinctions / Awards

  • Fellow, Association for Psychological Science
  • Young Investigator Award, Society for Mathematical Psychology


  • Models of Decision and Choice
  • Testing Theories of Decision
  • Foundations of Behavioral Social Choice Research
  • Introduction to Statistics
  • Psychological Statistics

Office Hours

  • By Appointment

Recent Publications

Regenwetter, M. and Davis-Stober, C. P. Behavioral Variability of Choice versus Structural Inconsistency of Preferences. (2012). Psychological Review, 119, 408-416

Regenwetter, M., Dana, J., and Davis-Stober, C. (2011). "Transitivity of Preferences." Psychological Review, 118, 42-56.

Regenwetter, M., Dana, J., Davis-Stober, C. P. and Guo, Y. (2011). Parsimonious Testing of Transitive or Intransitive Preferences: Reply to Birnbaum (2011). Psychological Review, 118, 684-688.

Regenwetter, M., Grofman, B., Marley, A. A. J., Tsetlin, I. (2006). Behavioral Social Choice. Cambridge University Press.

Regenwetter, M., Ho, M.-H. & Tsetlin, I. (2007). "Sophisticated Approval Voting, Ignorance Priors, and Plurality Heuristics: A Behavioral Social Choice Analysis in a Thurstonian Framework." Psychological Review, 114, 994-1114.

Regenwetter, M., Kim, A., Kantor, A. & Ho, R. (2007). "The unexpected consensus among consensus methods." Psychological Science, 18, 559-656.

Regenwetter, M., Falmagne, J.-Cl. & Grofman, B. (1999). "A stochastic model of preference change and its application to 1992 presidential election panel data." Psychological Review, 106, 362-384.

Section 2


Facilities Information

Accessibility in the Psychology Bldg

The project in the west basement corridor is to upgrade the accessibility to Room 23 with powered doors to allow proper ADA access. The next goal is to upgrade the accessibility to the Atrium and Room 142!