Photo of Sean Duffy and cat

A.B., A.M., Ph.D., The University of Chicago.
Post-Doc, The University of Michigan.

Office: Armitage 345 Rutgers-Camden 311 N. 5th St Camden NJ
email: phone: N/A

Research Area: Experimental Psychology and Economics (statistical models of judgment and memory), Cognitive Development (spatial reasoning and representation in infancy and toddler-hood), Cultural Psychology (cultural differences in perception, cognition, and reasoning between Asians and Americans), and Environmental Psychology (how we rationalize or compartmentalize existential threats like climate change). 



Fall 2018: Intro to Psych, Method and Theory.
Spring 2019: Method and Theory (2 sections)
Fall 2019: Introduction to Psychology, Method and Theory.
Spring 2020: Environmental, Grad Environmental Psychology
Fall 2020: Child Psychology, Method and Theory.
Spring 2021: Statistics for Social Sciences (2 sections)
Fall 2021: Child Psych, Graduate Research Methods. 
Spring 2022: Graduate Developmental Science, Environmental Psych
Fall 2022: Child Psychology, Graduate Statistics
Spring 2023: Statistics for Social Sciences (2 sections)
Fall 2023: Likely on leave

MUSIC PAGE: Please click here for free recordings and sheet music of carillon (cathedral/church bell) music I arranged and composed

Working papers:

Please see John Smith’s site for several works in progress or under review 

Krassner, M., Duffy, K., Wiesniewski, K., August, A., & Duffy, S. (in prep). A century of smiles: Changes in emotional expression in portrait photography 1920-2020.

Duffy, S., & Bouquet, C. (in prep). Gender differences in preferences for humor produced by men or women. 

Recent publications (email me if you would like a pdf copy):

Duffy, S., Hertel, J., Igan, D., Pinhiero, M., & Smith, J. (2022) Bayesian integration in sensorimotor learning: Another look at Kording and Wolpert (2004). Cortex, 153, 87-96.

Duffy, S., Gussman, S.,& Smith, J. (2021) Visual judgments of length in the economics laboratory: Are there brains in stochastic choice? Journal of Behavioral and Experimental Economics, 93,163-193.

Duffy, S., & Smith, J. (2020) On the category adjustment model: Another look at Huttenlocher, Hedges, and Vevea (2000). Mind and Society, 19, 163-193.

Duffy, S., & Smith, J. (2020) Omitted-variable bias and other matters in the defense of the category adjustment model: A comment on Crawford (2019). Journal of Behavioral and Experimental Economics, 85: 101501. 

Duffy, S., & Smith, J. (2018). Category effects on stimulus estimation: Shifting and skewed frequency distributions-A reexamination. Psychonomic Bulletin and Review, 25, 1740-1750.

Duffy, S. (2017). Cognitive development. In K. Nadal (Ed.) The Sage Encyclopedia of Psychology and Gender. (pp. 306-309). Thousand Oaks, CA: Sage Publications.

Jonas, K. J., Cesario, J., Alger, M., Bailey, A. H., Bombari, D., Carney, D., Dovidio, J. F., Duffy, S., Harder, J. A., van Huistee, D., Jackson, B., Johnson, D. J., Keller, V. N., Klaschinski, L., LaBelle, O., LaFrance, M., Latu, I. M., Morssinkhoff, M., Nault, K., Pardal, V., Pulfrey, C., Rohleder, N., Ronay, R., Smart Richman, L., Schmid Mast, M., Schnabel, K., Schröder-Abé, M. & Tybur, J. M. (2017).  Power poses – where do we stand?Comprehensive Results in Social Psychology, 2, 139-141.

Latu, I. M., Duffy, S., Pardal, V. & Alger M. (2017). Power vs. persuasion: Can open body postures embody openness to persuasion? Comprehensive Results in Social Psychology, 2, 68-80.

Allred, S., Crawford, L.E., Duffy, S. & Smith, J. (2016) Working memory and spatial judgments: Cognitive load increases the central tendency bias. Psychonomic Bulletin and Review, 23, 1825-1831.

Allred, S., Duffy, S., & Smith, J. (2016). Cognitive load and strategic sophistication. Journal of Economic Behavior & Organization, 125, 162-178.

Duffy, S., Smith, J., & Woods, K. (2015). How does the preference for increasing payments depend on the size and source of the payments? Management Science Letters, 5, 1071-1080.

Duffy, S. & Smith, J. (2014). Cognitive load in the multiple player prisoner’s dilemma game: Are there brains in games?. Journal of Behavioral and Experimental Economics, 51, 47-56.

Duffy, S., Hartwig, T., & Smith, J. (2014) Costly and discrete communication: An experimental investigation. Theory and Decision, 76, 395-415.

Duffy, S. & Smith, J. (2013). Preference for increasing wages: How do people value various streams of income? Judgment and Decision Making, 8, 74-90.

See my Google Scholar page for links to all published articles.