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Review
. 2006 Feb 18;332(7538):413-6.
doi: 10.1136/bmj.332.7538.413.

Process evaluation in randomised controlled trials of complex interventions

Ann Oakley  1 , Vicki Strange, Chris Bonell, Elizabeth Allen, Judith Stephenson; RIPPLE Study Team
Affiliations
Review

Process evaluation in randomised controlled trials of complex interventions

Ann Oakley et al. BMJ. .

Abstract

Most randomised controlled trials focus on outcomes, not on the processes involved in implementing an intervention. Using an example from school based health promotion, this paper argues that including a process evaluation would improve the science of many randomised controlled trials

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Figure 1
Baby talk: the most effective sex education? Credit: TONY KYRIACOU/REX
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