Process evaluation in randomised controlled trials of complex interventions.

Oakley, Ann; Strange, Vicki; Bonell, Chris; Allen, Elizabeth; Stephenson, Judith; RIPPLE Study Team · BMJ · 2006

review · Level V

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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

Medical subject headings