Joseph A. Maxwell is a Professor (Emeritus) in the College of Education and Human Development at George Mason University, where he taught courses on qualitative and mixed methods research. He is the author of Qualitative Research Design: An Interactive Approach (3rd ed.; SAGE, 2013), A Realist Approach for Qualitative Research (SAGE, 2012), and papers on qualitative and mixed methods research, program evaluation, sociocultural theory, Native American societies, and medical education. He has a PhD in anthropology from the University of Chicago.