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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Which design to evaluate complex interventions? Toward a methodological framework through a systematic review

Fig. 2

A framework situating designs according to evaluation questions. The x-axis presents the internal validity - external validity continuum. The continuum between process, mechanism and effects is represented on the y-axis. Finally, the transverse axis positions the various methods according to the research question, from efficacy studies to implementation research

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BMC Medical Research Methodology

ISSN: 1471-2288

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