1. Instructional Research Group
2. RUSSELL GERSTEN, PhD, is executive director of Instructional Research Group, 4281 Katella Ave., Suite 205, Los Alamitos, CA 90720; e-mail: ; and professor emeritus at the University of Oregon. He served as a member of the National Mathematics Advisory Panel and is a principal investigator for the What Works Clearinghouse. He is also the director of the Math Strand for the Center on Instruction.
3. DAVID J. CHARD, PhD, is the Leon Simmons Endowed Dean of the Annette Caldwell Simmons School of Education and Human Development and Professor in the Department of Teaching and Learning at Southern Methodist University, PO Box 750382, Dallas, TX 75275-0382; e-mail: . His areas of research and teaching are instructional design and interventions in literacy and mathematics for students at risk for school failure.
4. MADHAVI JAYANTHI, EdD, is a research associate at Instructional Research Group, 4281 Katella Ave., Suite 205, Los Alamitos, CA 90720; e-mail: . Her research interests include effective instructional techniques for students with disabilities and at-risk learners.
5. SCOTT K. BAKER, PhD, is the associate director of the Center on Teaching and Learning at the University of Oregon and the director of Pacific Institutes for Research, 1600 Millrace Drive, Suite 109, Eugene, OR 97403; e-mail: . Dr. Baker is the also the director of the Oregon Reading First Center. Dr. Baker’s research interests focus on early literacy and mathematics and the education needs of students with learning difficulties and English learners.
6. Southern Methodist University
7. Pacific Institutes for Research and University of Oregon
8. Vanderbilt University
9. University of California at Irvine