Evan Wilhelms

Evan Wilhelms

Visiting Assistant Professor - Psychology

Office: Morgan 109
Phone: 330-287-1989
Email: ewilhelms@wooster.edu
Pronouns: He/Him/His


  • B.S., Baldwin-Wallace College
  • M.S., Ph.D., Cornell University

Courses Taught

  • PSYC 250: Statistics and Experimental Design
  • PSYC 299: Applied Psychology
  • PSYC 327: Developmental Psychology: Theory and Research
  • PSYC 399: Judgment and Decision Making
  • FYS 101: Happiness and Other Illusions

Research Interests

Evan's expertise is in the errors of human reasoning, how they change between adolescence and adulthood, and how they influence health behaviors. He has investigated basic cognitive processes that inform risky choices, mental representations behind judgments of subjective well-being, decision aids and predictors of medication choice in arthritis care, and interventions for sexual risk, nutrition, and fitness.

Recent Selected Publications

Wilhelms, E. A., Fraenkel, L., & Reyna, V. F. (2018). Effects of probabilities, adverse outcomes, and status quo on perceived riskiness of medications: Testing explanatory hypotheses concerning gist, worry, and numeracy. Applied Cognitive Psychology.

Fraenkel, L., Reyna, V. F., Cozmuta, R., Cornell, D., Nolte, J., & Wilhelms, E. A. (2018). Do Visual Aids Influenced Patients’ Risk Perceptions for Rare and Very Rare Risks?Patient Education and Counseling.

Cozmuta, R., Wilhelms, E. A., Cornell, D., Nolte, J., Reyna, V.F., & Fraenkel, L. (2018). The Influence of Explanatory Images on Risk Perceptions and Treatment Preference. Arthritis Care & Research.

Brust-Renck, P. G., Reyna, V. F., Wilhelms, E. A., Wolfe, C. R., Widmer, C. L., Cedillos-Whynott, E. M., & Morant, A. K. (2017). Active engagement in a web-based tutorial to prevent obesity predicts improved knowledge, gist comprehension, and endorsement of healthy values. Behavior Research Methods 49,1386–1398.

Reyna, V. F., & Wilhelms, E. A. (2017). The gist of delay of gratification: Understanding and predicting problem behaviors.Journal of Behavioral Decision Making 30 (2), 610-625.

Wilhelms, E. A., & Reyna, V. F. (Eds.) (2015). Neuroeconomics, judgment, and decision making. New York, NY: Psychology Press.

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