From: Towards the use of mixed methods inquiry as best practice in health outcomes research
1.  A specific research question is to be addressed using quantitative and qualitative components (data and/or methods) | |
2.  The quantitative and qualitative components are articulated purposely and prospectively in a well-defined, pre-specified research design | |
3.  The response to the research questions is supported by an integrated set of evidence generated from both the qualitative and quantitative component of the research (meta-inference) |