John Hattie is Laureate Professor at the Melbourne Graduate School of Education at the University of Melbourne. He is the author of Visible Learning, Visible Learning for Teachers, Visible Learning and the Science of How We Learn, Visible Learning into Action, 10 Mindframes for Visible Learning, Visible Learning Feedback and Visible Learning Insights and co-editor of the International Guide to Student Achievement.

Eric M. Anderman is Professor of Educational Psychology in the Department of Educational Studies at The Ohio State University. He is a recipient of the Richard E. Snow Early Career Achievement Award from the American Psychological Association (APA), and he served as President of Division 15 of APA in 2008. He is a fellow of both APA and the American Educational Research Association. In addition to authoring and editing several books, he serves on the editorial boards of several major journals. He currently is the editor of the Theory into Practice journal.