Author
- Educational Resources Information Center (U.S.) 42 results
- National Institute of Education (U.S.) 17 results
- Jarolimek, John 15 results
- Michaelis, John U. (John Udell), 1912-1996 14 results
- Gega, Peter C. 13 results
- Carin, Arthur A. 12 results
- Schweingruber, Heidi A. 12 results
- Victor, Edward, 1914-2009 11 results
- Westphal, Laurie E., 1967- 11 results
- Blough, Glenn O. (Glenn Orlando) 10 results
- Schwartz, Julius, 1907-2004 10 results
- United States. Office of Educational Research and Improvement 10 results
- ERIC Clearinghouse for Social Studies/Social Science Education 9 results
- Harlen, Wynne 9 results
- Michigan State University. Institute for Research on Teaching 9 results
- Grainger, Clive A. 8 results
- Harvard-Smithsonian Center for Astrophysics 8 results
- Morris, Bob 8 results
- National Science Resources Center (U.S.) 8 results
- Rose, Suzanne 8 results
- Saul, Wendy 8 results
- Smith, Edward L. 8 results
- Sund, Robert B. 8 results
- Anderson, Charles W. 7 results
- Esler, William K. 7 results
- National Center for Education Statistics 7 results
- National Research Council (U.S.). Board on Science Education 7 results
- Ross, E. Wayne, 1956- 7 results
- Shouse, Andrew W. 7 results
- Esler, Mary K. 6 results
- Linn, Marcia C. 6 results
- Martin, Ralph E., 1951- 6 results
- Mexico. Secretaría de Educación Pública 6 results
- National Council for the Social Studies 6 results
- National Science Foundation (U.S.) 6 results
- National Science Teachers Association 6 results
- Turner, Thomas N. 6 results
- United States. National Aeronautics and Space Administration 6 results
- Abruscato, Joseph 5 results
- Adams, Dennis, 1947- 5 results
- Appleton, Ken 5 results
- Butzow, Carol M., 1942- 5 results
- Buxton, Cory A. 5 results
- Davis, Elizabeth A., 1967- 5 results
- Duschl, Richard A. (Richard Alan), 1951- 5 results
- ERIC Clearinghouse for Science, Mathematics, and Environmental Education 5 results
- Feasey, Rosemary 5 results
- Friedl, Alfred E. 5 results
- Hamm, Mary 5 results
- Howe, Ann C. 5 results more…