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Process evaluation in randomised controlled trials of complex interventions

2006; BMJ; Volume: 332; Issue: 7538 Linguagem: Inglês

10.1136/bmj.332.7538.413

0959-8138

Ann Oakley, Vicki Strange, Chris Bonell, Elizabeth Allen, Judith Stephenson,

Community Health and Development

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