Author
National Association of Secondary School Principals (U.S.)
3
American Educational Research Association
1
Applied Probability Trust,
1
Associated Schools of Construction
1
Carlsmith, Christopher
1
Educational Research Association (U.S.)
1
Illinois Arts Council
1
Illinois. Office of the Superintendent of Public Instruction
1
Institut des sciences mathématiques (Montréal, Québec)
1
Institute of Statisticians,
1
International Statistical Institute,
1
Intrator, Sam M.
1
National Association of Directors of Educational Research (U.S.)
1
National Center for Education Statistics
1
National Council of Teachers of English. Secondary Section
1
National Middle School Association
1
Ohio Association of Secondary School Administrators
1
Ohio Association of Secondary School Principals
1
Ontario Secondary School Teachers' Federation
1
Québec (Province). Ministère de l'éducation. Direction des statistiques et des études quantitatives
1
Royal Statistical Society (Great Britain),
1
United States. Office of Educational Research and Improvement. Center for Education Statistics
1
United States. Office of Educational Research and Improvement. Information Services
1
University of Illinois (Urbana-Champaign campus). Bureau of Educational Research
1
University of Illinois at Urbana-Champaign
1
Waters, Rich,
1