Mixed Methods Approaches

Creswell, J. W., & Plano Clark, V. L. (2011). Designing and conducting mixed methods research (2nd ed.). Thousand Oaks, CA: SAGE Publications.
Fila, N. D., Hess, J. L., & Purzer, S. (2015). A dialectic data integration approach for mixed methods survey validation. Paper presented at the American Society for Engineering Education Annual Conference. Seattle, WA.