1. Stanford University, School of Education, 485 Lasuen Mall, Stanford, CA 94305-3096; richs @stanford.edu. His research interests include social science research methods and science teaching, learning, and assessment
2. Stanford University, 485 Lasuen Mall, Stanford, CA 94302-3096;
. His research areas of interest include philosophical and methodological issues in social science and educational research and constructivist positions in psychology, sociology, and science (including science education)
3. The Center for Education of the National Research Council of the National Academies, 500 5th Street, NW, Washington, D.C. 20001;
. Her current interests include the conduct, use, and infrastructure of education research
4. The Division of Behavioral and Social Sciences and Education at the National Research Council of the National Academies, 500 5th Street, NW, Washington, D.C. 20001;
. His research interests include public policy, social science theory and practice and education