Which One of the Following Is an Inappropriate Justification for Using

Which one of the following is an inappropriate justification for using mixed methods research?

A) There is a need to further explain statistical results by exploring a few cases
B) There is a need to test the quantitative results using qualitative data
C) There is a need to compare quantitative and qualitative data to better under?stand a problem
D) There is a need to use quantitative and qualitative data to best address the research problem