Undergrad: Brock University
Thesis Advisor: Dr. Gordon Hodson
Prejudice and Discrimination: The development and reduction of intergroup prejudice, dehumanization, and speciesism, as well as the inter-relations among these intergroup processes.
Costello, K., & Hodson, G. (in press). Exploring the roots of dehumanization: The role of animal-human similarity in promoting immigrant humanization. Group Processes and Intergroup Relations.
Hodson, G., Choma, B.L., & Costello, K. (2009). Experiencing alien-nation: Effects of a simulation intervention on attitudes toward homosexuals. Journal of Experimental Social Psychology, 45, 974-978.
Stephenson, S., Book, A.S., & Costello, I. (2009). Psychopathic traits and accuracy in victim selection. Criminal Justice and Behavior, 36, 635-648.
Hodson, G. & Costello, K. (2007). Interpersonal disgust, ideological orientations, and dehumanization as predictors of intergroup attitudes. Psychological Science, 18(8), 691-698.