“…What we could not test in this study was whether their perceptions of their friends' use changed or whether they changed who they selected as friends. Overestimations of peer smoking behaviors have been shown to be a significant predictor of adolescent smoking and contributed to the overall norm that smoking was acceptable by peers Gunther, Bolt, Borzekowski, Liebhart, & Dillard, 2006;Lai, Ho, & Lam, 2004;Reid, Manske, & Leatherdale, 2008). Social influences smoking prevention programs aim to change these overestimations and perceptions surrounding peer acceptance of smoking.…”