Dr. Susan Yamamoto

Assistant Professor of Psychology
BA Hons (University of Manitoba), MA & PhD (Carleton)

Phone: 306.586.4242 ext. 252 | Office: CM 402



Short Bio

Susan completed her graduate training at Carleton University in the experimental forensic psychology program, where she studied jury decision-making. Her current research in the Normative Ethics and Law Lab (NELL) focuses on lay punishment ethics, the insanity defence, and racial/cultural differences in the courtroom. The lab’s aim is to better understand basic social processes and help promote fairness in legal and political decisions.

Research Interests

Jury decision-making; the insanity defence; diversity in the courtroom; utilitarian and retributive punishment orientation; scale development; mixed methodology.

Representative Publications

Yamamoto, S. & Maeder, E. M., (2021). What’s in the box? Punishment and insanity in the Canadian jury deliberation room. Frontiers in Psychology, 12:689128. https://doi.org/10.3389/fpsyg.2021.689128

Maeder, E. M., Yamamoto, S., & McLaughlin, K. M. (2020). The influence of defendant race and mental disorder type on mock juror decision-making in insanity trials. International Journal of Law and Psychiatry, 68, 101536. https://doi.org/10.1016/j.ijlp.2019.101536

Maeder, E. M., & Yamamoto, S. (2019). Social identity in the Canadian courtroom: Effects of juror and defendant race. Canadian Journal of Criminology and Criminal Justice, 61, 24-44. https://doi.org/10.3138/cjccj.2018-0057

Yamamoto, S., & Maeder, E. M. (2019). Creating the punishment orientation questionnaire: An item response theory approach. Personality and Social Psychology Bulletin, 45(8), 1283-1294. https://doi.org/10.1177/0146167218818485

Maeder, E. M., & Yamamoto, S. (2018). Investigating race salience, defendant race, and victim race on mock juror decision-making in Canada. Justice Quarterly. https://doi.org/10.1080/07418825.2018.1460390

Yamamoto, S., Maeder, E. M., & Fenwick, K. L. (2017). Criminal responsibility in Canada: Mental disorder stigma education and the insanity defense. International Journal of Forensic Mental Health, 16(4), 313-335. https://doi.org/10.1080/14999013.2017.1391357

Maeder, E. M., Yamamoto, S., & McManus, L. A. (2017). Methodology matters: Comparing sample types and data collection methods in a juror decision-making study on the influence of defendant race. Psychology, Crime and Law, 24(7), 687–702. https://doi.org/10.1080/1068316X.2017.1409895

Yamamoto, S., & Maeder, E. M. (2017). Defendant and juror race in a necessity case: An ultimate attribution error. Journal of Ethnicity in Criminal Justice, 15(3), 270-284. https://doi.org/10.1080/15377938.2017.1347542

Yamamoto, S., & Maeder, E. M. (2017). A case of culture: Defendant gender and juror decision-making. Journal of Interpersonal Violence 32(20) https://doi.org/10.1177/0886260515596976

Maeder, E. M., Yamamoto, S., & McManus, L.A. (2015). Race salience in Canada: Testing multiple manipulations and target races. Psychology, Public Policy, and Law, 21(4), 442-451.