1. Margo A. Mastropieri is professor of special education at Purdue University. She received her PhD from Arizona State University in 1983. Her present research interests include teacher effectiveness, learning and memory strategies, and science education for students with disabilities.
2. Thomas E. Scruggs is professor of special education at Purdue University. He received his PhD from Arizona State University in 1982. His present research interests include research synthesis, elaborative learning strategies, and science education for students with disabilities. Address: Margo A. Mastropieri, Purdue University. Department of Educational Studies. Liberal Arts and Education Building. West Lafayette. IN 47906.