Disentangling Longitudinal Relations Between Youth Cannabis Use, Peer Cannabis Use, and Conduct Prob


In an effort to re-evaluate the relationship between adolescent cannabis use and subsequent increases in conduct problems (CPs), a team lead by Ivy Defoe and including PISC Senior Scholar Dan Romer used new statistical analysis and data sets to study adolescents aged 13 to 19 in Philadelphia, PA. The study found that instead of cannabis use causing changes in CPs, CPs were more often found to predict changes in cannabis use. The team also found that adolescents with CPs also affiliated more with peers who used cannabis.

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