The Epistemological Stance of Research

How can the epistemological stance of a research affect areas such as sample selection in focus groups? What is the impact on external validity? What should you, as a researcher, be aware of? Why is reflexivity more important in visual research than in any other data collection means? 
Use your Doing Research in a Business World text to read the following: 
Chapter 18, “Focus Groups.” Chapter 20, “Visual Methods.” Morgan, D. L. (1997). Focus groups as qualitative research: Planning and research design for focus groups [PDF]. Retrieved from haps:// It/fi les/Morgan .pdf (n.d.). Open questions. Retrieved from (n.d.). Probing questions. Retrieved from Sayre, S. (2001). Analyzing verbal data. In Qualitative methods for marketplace research. Thousand Oaks, CA: Sage.