photo of sean duffy

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

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). 

That picture is me at the Philadelphia Museum of Art (PMA) in front of a painting by Cy Twombly called Fifty Days at Iliam (1978). I suggest all students take some time to visit PMA, the Barnes Museum, or many of the wonderful artistic and cultural institutions across the Delaware River from Rutgers-Camden in Philadelphia, PA. 

Fall 2018: Intro to Psych, Method and Theory.
Spring 2019: Method and Theory / Method and Theory.
Fall 2019: Introduction to Psychology, Method and Theory.
Spring 2020: Environmental, Grad Environmental Psychology
Fall 2020: Child Psychology, Method and Theory.
Spring 2021: Statistics / Statistics
Fall 2021: Child Psych, Graduate Research Methods. 
Spring 2022: Graduate Developmental Science, Environmental Psych
Fall 2022: Child Psychology, Method and Theory

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:

Also several papers on gender, sexual orientation, and humor are coming along. 

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

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

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.