Randomised trial seeking to induce the Hawthorne effect found no evidence for any effect on self-reported alcohol consumption online
We tested the hypothesis that participants who know the behavioural focus of a study and are thus aware that a particular behaviour is being studied, will modify that behaviour, independently of any possible effect of assessment, thereby dismantling a Hawthorne effect into two putative components.
Source: Journal of Clinical Epidemiology - Category: Epidemiology Authors: Jim McCambridge, Amanda Wilson, John Attia, Natasha Weaver, Kypros Kypri Tags: Original Article Source Type: research