R. Eric Heidel, PhD PStat is a Professor of Biostatistics and Director of the Office of Biostatistics and Research Design Consultation in the Department of Surgery at the University of Tennessee Graduate School of Medicine. Dr. Heidel has helped thousands of researchers with their research projects and statistical analyses for over 15 years. See Dr. Heidel's academic profile here. He has taught formal courses to hundreds of medical professionals related to research questions, choosing research designs, measurement of variables, statistical power, database management, statistical analysis, epidemiology, diagnostic testing, psychometrics, and survey design. Dr. Heidel has over 170 published papers in peer-reviewed journals and over 210 published abstracts at local, state, regional, national, and international conferences (see curriculum vitae). Dr. Heidel has also owned and operated a private statistical consultation business for the past eight (8) years where he has provided consultation to over 1,000 clients all around the world. If you require statistical consultation for your research project, please visit scalestatistics.com for more information. Dr. Heidel spends his free time with his family and going to concerts. Feel free to send Dr. Heidel any questions or feedback about the PICOT Question Generator: Email Dr. Heidel