Research Article: Self-selection in a randomized trial of web-based primary and secondary prevention alcohol brief intervention

Date Published: September 4, 2013

Publisher: BioMed Central

Author(s): Nicolas Bertholet, Joseph Studer, John A Cunningham, Jean-Bernard Daeppen, Gerhard Gmel, Bernard Burnand.

http://doi.org/10.1186/1940-0640-8-S1-A10

Abstract

Partial Text

How much a randomized controlled trial (RCT) sample is representative/differs from its declared source population is a challenging question, with major implications with regard to generalizibility of results. The question is crucial for freely available web-based interventions tested in RCTs.

 

Source:

http://doi.org/10.1186/1940-0640-8-S1-A10

 

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