“…Indeed, a consistent and dramatic pattern of misperceptions about peer norms for substance use has been documented in studies conducted in several nations (Hughes, Julian, Richman, Mason, & Long, 2008;Kilmer et al, 2006;Lintonen & Konu, 2004;McAlaney & McMahon, 2007;Page, Ihasz, Hantiu, Simonek, & Klarova, 2008;Page, Ihasz, Simonek, Klarova, & Hantiu, 2006;H. W. Perkins, 2007;H.…”