Oakley Ann, Strange Vicki, Bonell Chris, Allen Elizabeth, Stephenson Judith
Social Science Research Unit, Institute of Education, University of London, London WC1H ONR.
BMJ. 2006 Feb 18;332(7538):413-6. doi: 10.1136/bmj.332.7538.413.
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
大多数随机对照试验关注的是结果,而非干预实施过程。本文以学校健康促进为例,认为纳入过程评估将提升许多随机对照试验的科学性。