Which of the Following Is a Concern Regarding Mixed Methods

Multiple Choice

Which of the following is a concern regarding mixed methods studies compared to either qualitative or quantitative research? Mixed methods research

A) generally includes instrumentation that is deemed less reliable than other forms of research.
B) has greater external validity threats than are found in other forms of research.
C) requires greater understanding of a broad range of research methods than other forms of research.
D) is generally less ethical when compared to other forms of research.