Melinda F. Davis, PhD, is a Research Assistant Professor in the Department of Psychology at the University of Arizona College of Science. She is a member of the Statistics GIDP and the BIO5 Institute, the Evaluation Group for the Analysis of Data, and is affiliated with the College of Public Health. Dr. Davis’s interests focus on all aspects of health outcomes research, spanning research methodology and design, measurement, and quantitative analysis. Dr. Davis has published several dozen peer-reviewed publications, 5 book chapters, and is a frequent presenter at national meetings. Dr. Davis collaborates with investigators nationally and internationally. Her published work centers in the measurement of disease severity and treatment outcomes for physical and psychiatric conditions. Dr. Davis is the Editor-in-Chief of the Journal of Methods and Measurement in the Social Sciences (JMM). The Journal publishes articles related to methodology and research design, measurement, and data analysis. JMM is meant to further our understanding of methodology and how to formulate the right questions. It is broadly concerned with improving the methods used to conduct research, the measurement of variables used in the social sciences, and improving the applications of data analysis.