Handbook of Accessible Instruction and Testing Practices (PDF)

Stephen N Elliott, PhD, the senior editor, is the Mickelson Foundation Professor at Arizona State University. Steve teaches courses on measurement and assessment of academic and social behavior and co-directs two USDE research grants concerning opportunity to learn and the achievement growth of students. Steve has authored more than 250 journal articles, books, and chapters as well as 6 widely used behavior-rating scales. 

Ryan J. Kettler, PhD, is an Associate Professor in the School Psychology Program of the Graduate School of Applied and Professional Psychology at Rutgers, The State University of New Jersey. He conducts research in data-based decision making, including issues related to screening, inclusive assessment, rating scale technology, and reliability and validity issues. Ryan has authored more than 50 articles and chapters.

Peter A. Beddow, PhD, is the president of Accessible Testing, LLC, the mission of which is to facilitate the development of tests that are free from barriers for students with a broad range of abilities and needs. He is the senior author of the Test Accessibility and Modification Inventory and has authored numerous articles and chapters on accessibility theory. He also operates Accessible Behavior, LLC, through which he works with teachers, parents, and other caregivers and leaders to understand and manage child behavior and facilitate positive behavior change for individuals with behavior problems. Pete lives in Nashville, Tennessee.



Alexander Kurz, MEd, is an Assistant Research Professor in the T. Denny Sanford School of Social and Family Dynamics and Director of the AzPREP Office at Arizona State University. He conducts research on opportunity to learn, instructional coaching, and collective impact. Alex co-directs several USDE research grants concerning opportunity to learn and the achievement growth of students, school improvement, educator evaluation as well as research with community