Cochrane Database of Systematic Reviews, Issue 3, 2009
To determine whether social norms feedback reduces alcohol misuse in university or college students.
Alcohol related problems: Significant reduction with Web/computer feedback (WF) (SMD -0.31 95% Cl -0.59 to -0.02), three studies, 278 participants. No significant effect of mailed feedback (MF), individual face-to-face feedback (IFF) or group face-to-face feedback (GFF).
WF and IFF are probably effective in reducing alcohol misuse. No direct comparisons of WF against IFF were found, but WF impacted across a broader set of outcomes and is less costly so therefore might be preferred. Significant effects were more apparent for short-term outcomes (up to three months). For mailed and group feedback, and social norms marketing campaigns, the results are on the whole not significant and therefore cannot be recommended.
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