Author
NetLibrary, Inc
12
Duschl, Richard A. 1951-
7
National Science Resources Center (U.S.)
6
Fredericks, Anthony D.
4
Davis, Elizabeth A., 1967-
3
Gath, Tracy
3
Hamilton, Richard J., 1952-
3
Herrenkohl, Leslie Rupert, 1966-
3
Koch, Janice, 1947-
3
Mertl, Véronique, 1972-
3
National Research Council (U.S.). Board on Science Education
3
National Science Teachers Association
3
Schweingruber, Heidi A.
3
Shouse, Andrew W.
3
Sosa, Maria
3
Vasquez, Jo Anne, 1943-
3
Beatty, Alexandra S.,
2
Bell, Philip, 1966-
2
Blough, Glenn Orlando
2
Chapin, June R., 1931-
2
Chinn, Philip C., 1937-
2
Comer, Michael W., 1956-
2
Douglas, Rowena
2
Educational Research Service (Arlington, Va.)
2
Garcia, Jesus, 1941-
2
Glandon, Shan
2
Gollnick, Donna M.
2
Hood, Wendy J.
2
Jarolimek, John
2
Kitchen, Richard S.
2
Le, Vi-Nhuan
2
Lindquist, Tarry
2
Messick, Rosemary G.
2
Michaelis, John Udell, 1912-
2
Morris, Ronald V.
2
Munsart, Craig A.
2
National Academies of Sciences, Engineering, and Medicine (U.S.)
2
National Research Council (U.S.)
2
National Research Council (U.S.). Committee on Science Learning, Kindergarten Through Eighth Grade
2
Nelson, Murry R.
2
Rodríguez, Alberto J.
2
Ross, E. Wayne, 1956-
2
Schwartz, Julius, 1907-
2
Steffey, Stephanie, 1947-
2
Troutman, Frankie, 1948-
2
United States. Congress. House. Committee on Science,
2
Abell, Sandra K.
1
Adams, Dennis, 1947-
1
Ajijola, Olujimi,
1
Alleman-Brooks, Janet E.
1
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