Correlation and Regression Analysis

W. Paul Vogt is Emeritus Professor of Research Methods and Evaluation at Illinois State University where he won both teaching and research awards. He specializes in methodological choice and program evaluation and is particularly interested in ways to integrate multiple methods. His other books include: Tolerance & Education: Learning to Live with Diversity and Difference (Sage Publications, 1998); Quantitative Research Methods for Professionals (Allyn & Bacon, 2007); Education Programs for Improving Intergroup Relations (co-edited with Walter Stephan, Teachers College Press, 2004). He is also editor of three four-volume sets in the series, Sage Benchmarks in Social Research Methods: Selecting Research Methods (2008); Data Collection (2010); and Quantitative Research Methods (2011). Burke Johnson (PhD, College of Education, University of Georgia) is a Professor in the Professional Studies Department at the University of South Alabama. He also has graduate degrees in psychology, sociology, and public administration, which give him a multidisciplinary perspective on research methodology. He has published in the Educational Researcher; Evaluation and Program Planning; Evaluation Review; Journal of Mixed Methods Research; Journal of Educational Psychology; and Quantity and Quality. He was guest editor for a special issue of Research in the Schools (http://www.msera.org/rits_131.htm) and a special issue of American Behavioral Scientist both focusing on mixed methods research. He was on the editorial board of the Educational Researcher and was an Associate Editor of the Journal of Mixed Methods Research. Burke was also coauthor of Research Methods, Design, and Analysis; Dictionary of Statistics and Methodology: A Nontechnical Guide for the Social Sciences; and Oxford Handbook of Multiple and Mixed Methods Research.