Can we conduct an interview and fill questionnaire from the same participant in a mixed methods study? If yes or No then why? Kindly provide a reference article if any. Thank you
One can use the same sample for both, but generally one does that when quantitative analysis is conducted first. Using the qualitative sample for the quantitative part is ill advised because the sample is too small to be of value.
Dear David Coker , so will it be good if we first collect the information through survey, and later 'purposively' identify the samples for further qualitative exploration?
Especially if it is an exploratory research, and little is known about the phenomenon.
Onwuegbuzie, A. J., & Collins, K. M. (2007). A typology of mixed methods sampling designs in social science research. Qualitative Report, 12(2), 281-316.
I agree with Dr. Coker. The short answer is yes, but the qualitative component should not inform the quantitative assessment in and of itself. This likely occurs in numerous mixed-methods studies in which surveys are given as a quantitative Likert-type survey followed by interviews. However, questionnaires can be a qualitative tool as well. If so, the qualitative surveys should be coded and stand independently of any qualitative interviews.