Author
Educational Testing Service
National Center for Education Statistics
31
Ballator, Nada
26
Jerry, Laura
26
Rogers, Alfred
26
National Assessment of Educational Progress (Project)
4
United States. Office of Educational Research and Improvement
3
Applebee, Arthur N.
2
Gentile, Claudia
1
Gentile, Claudia A.
1
Kennedy, John H., 1951-
1
Langer, Judith A.
1
Martin-Rehrmann, James
1
Mullis, Ina V. S.
1