Quadangulation: A New Methodology Combining Ethnographic Research and Quality Improvement Projects in Health Science Research.

The purpose of this paper is to describe quadangulation as a methodology for conducting and analyzing combined ethnographic studies and quality improvement (QI) projects into one comprehensive investigation to improve the quality of health care. A comprehensive base of cultural influences in all health-care delivery settings, obtained from the design, implementation, and interpretation of a rigorous ethnographic investigation, and a QI project is new proposed methodology, called quadangulation. This new methodology has the potential to influence transformational cultural change, quality whole-person patient-centered care, and improved population health, through in-depth qualitative and quantitative analysis of cultural influences and clinical problems.