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Your query returned 5 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results.

2.
CBS News/New York Times Monthly Poll #5, January 1998 (ICPSR 2455)
CBS News/The New York Times
3.
Mathematics Teaching in the 21st Century (ICPSR 34430)
Schmidt, William
4.
Study of Instructional Improvement (SII) (ICPSR 26282)
Loewenberg Ball, Deborah; Cohen, David K.; Rowan, Brian
5.
Washington State Achievers Longitudinal Surveys, 2000-2007 (ICPSR 34374)
Bill and Melinda Gates Foundation

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