His research interests include understanding helping behavior and cooperation. He is also interested in social cognition, particularly how people categorize, perceive and stigmatize others. Recently he and his students have been researching peoples’ beliefs in free will and how these beliefs may influence their perceptions of themselves and others. Dr. Sibicky has published his work in the Journal of Experimental Social Psychology, Personality and Social Psychology Bulletin, Basic and Applied Social Psychology, Journal of Counseling, Psychological Reports and Teaching of Psychology. He has also contributed to book chapters on decision making in social dilemmas and leadership.