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Related Experiment Videos

Efficacy of web-based personalized normative feedback: a two-year randomized controlled trial.

Clayton Neighbors1, Melissa A Lewis, David C Atkins

  • 1Department of Psychiatry & Behavioral Sciences, University of Washington, USA. cneighbors@uh.edu

Journal of Consulting and Clinical Psychology
|September 30, 2010
PubMed
Summary

Web-based personalized normative feedback (PNF) showed modest effects in reducing college student drinking. Biannual, gender-specific PNF was most effective for reducing weekly alcohol consumption and problems, especially for women.

Related Experiment Videos

Area of Science:

  • Public Health
  • Psychology
  • Digital Health

Background:

  • Web-based interventions offer scalable, low-cost solutions for addressing heavy college student drinking.
  • Controlled evaluations of personalized normative feedback (PNF) are limited, particularly regarding gender-specific approaches and administration frequency.

Purpose of the Study:

  • To evaluate the efficacy of gender-specific versus gender-nonspecific PNF.
  • To compare single versus biannual administration of PNF.
  • To assess these interventions over a 2-year period in heavy-drinking college students.

Main Methods:

  • A 2-year randomized controlled trial involving 818 freshmen with heavy drinking patterns.
  • A factorial design testing gender-specific vs. nonspecifc PNF and single vs. biannual administration, plus an attention control group.
  • Bi-annual assessments of drinking behavior and alcohol-related problems.

Main Results:

  • Modest reductions in weekly drinking and alcohol-related problems were observed, but not in heavy episodic drinking.
  • Gender-specific, biannual PNF significantly reduced weekly drinking compared to control, mediated by perceived norm changes.
  • Gender-specific, biannual PNF reduced alcohol-related problems for women, but not for men.

Conclusions:

  • Biannually administered, web-based, gender-specific PNF demonstrates modest efficacy in reducing college student drinking.
  • This approach offers a potentially cost-effective alternative to traditional prevention strategies.
  • Findings suggest tailoring interventions based on gender may enhance effectiveness for specific outcomes.