Dana Keller received his Ph.D. in Measurement, Statistics, and Evaluation from the University of Delaware. As a professor, he supervised the research for over 100 doctoral dissertations. As Chief Statistician for a $30 million nonprofit foundation, he was influential in establishing and implementing state and federal policies. He has explained research methodology, how it can be used, how it is often misused, and how to place it in its proper context throughout the United States and in places as far-reaching as Tibet. His informal presentation style facilitates a comfortable understanding of research in its appropriately restricted context. Dr. Keller can be reached at email@example.com.
John W. Creswell is a Professor of Educational Psychology at Teachers College, University of Nebraska-Lincoln. He is affiliated with a graduate program in educational psychology that specializes in quantitative and qualitative methods in education. In this program, he specializes in qualitative and quantitative research designs and methods, multimethod research, and faculty and academic leadership issues in colleges and universities.