Dr. Robert B. Johnson is a professor in the Professional Studies Department at the University of South Alabama. He got his Ph.D. from the REMS (research, evaluation, measurement, and statistics) program from the University of Georgia. He also has graduate degrees in sociology, public administration, and psychology which have provided him with a multidisciplinary perspective on research methodology. He was guest editor for a special issue of ‘Research in the Schools’ focusing on mixed research and completed a similar guest editorship for the American Behavioral Scientist. He was an associate editor of the Journal of Mixed Methods Research. Bob is the second author of Research Methods, Design, and Analysis; first author of Educational Research: Quantitative, Qualitative, and Mixed Approaches; co-editor (with Paul Vogt) of Correlation and Regression Analysis; co-editor (with Sharlene Hesse-Biber) of The Oxford Handbook of Multimethod and Mixed Methods Research Inquiry; and associate editor of The SAGE Glossary of the Social and Behavioral Sciences.