Abstract
Past research suggests that congregating delinquent youth increases their likelihood of problem behavior. We test for analogous peer effects in the drug use and sexual behavior of male (n = 279) and female (n = 435) college students, using data on the characteristics of first-year roommates to whom they were randomly assigned. We find that males who reported binge drinking in high school drink much more in college if assigned a roommate who also binge drank in high school than if assigned a nonbinge-drinking roommate. No such multiplier effect is observed for females, nor are multiplier effects observed for marijuana use or sexual behavior for either males or females. Students who did not engage in these behaviors in high school do not appear to be affected by their roommates’ high school behavior.
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Duncan, G.J., Boisjoly, J., Kremer, M. et al. Peer Effects in Drug Use and Sex Among College Students. J Abnorm Child Psychol 33, 375–385 (2005). https://doi.org/10.1007/s10802-005-3576-2
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DOI: https://doi.org/10.1007/s10802-005-3576-2