Cecil R. Reynolds, PhD, is Emeritus Professor of Educational Psychology, Professor of Neuroscience, and a Distinguished Research Scholar at Texas A&M University. He is the author or editor of more than three hundred books and articles, including the Handbook of School Psychology. He has also developed a number of psychological assessment instruments, including the RIAS (published by PAR) and the BASC (published by Pearson Clinical Assessments). Kimberly J. Vannest, PhD, is Associate Professor of Educational Psychology, a Regents Fellow, and Center for Teaching Excellence Teaching Scholar and a Yates fellow at Texas A&M University. She has written or developed more than 80 scholarly products on intervention, progress monitoring, and single case design including peer-reviewed articles, books, and book chapter publications, software, free statistical calculators, and manuals. She has received the numerous awards for her research, teaching, and service. Elaine Fletcher-Janzen, Ed.D., ABPdN, is Professor of School Psychology at The Chicago School of Professional Psychology, and has been a school psychologist in the public schools and neuropsychiatric inpatient settings for the past twenty-nine years. She has coedited and authored more than fifteen books and reference works.