Development and evaluation of the efficacy of a web-based 'social norms'-intervention for the prevention and reduction of substance use in a cluster-controlled trial conducted at eight German universities

• Váldodahkkit: Stefanie M. Helmer (Dahkki), Saskia Muellmann (Dahkki), Hajo Zeeb (Dahkki), Claudia R. Pischke (Dahkki)
• Materiálatiipa: Girji
• Almmustuhtton: BMC, 2016-03-01T00:00:00Z.
• Fáttát: article
• Liŋkkat: Connect to this object online.

Abstract Background Previous research suggests that perceptions of peer substance use are associated with personal use. Specifically, overestimating use in the peer group is predictive of higher rates of personal substance use. 'Social norms'-interventions are based on the premise that cha...