Dr. George DuPaul, Professor, School Psychology Program, College of Education, Lehigh University
"Early Intervention for Young Children At-Risk for ADHD"
Dr, Edward G. Feil, Senior Research Scientist at Oregon Research Institute (presentation not available)
Dr. Mary Louise Hemmeter, Associate Professor, Department of Special Education, Vanderbilt University
Dr. Phil Strain, Professor, Educational Psychology and Psychiatry Department, University of Colorado Denver
Dr. Brenna Wood, Assistant professor, Special Education Program, College of Education, Lehigh University
Manual describing PTRis: Dunlap,G., Iovannone, R., Kincaid, D., Wilson, K., Christiansen, K., Strain, P., & English, C. 2010. Prevent-Teach-Reinforce. Baltimore: Paul Brookes.