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Rolf K. Blank

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The Effects of Teacher Professional Development on Gains in Student Achievement How Meta Analysis Provides Scientific Evidence Useful to Education Leaders
State Indicators of Science and Mathematics Education, 1999 State-by-state Trends and New Indicators from the 1997-98 School Year
Survey Results of Urban School Classroom Practices in Mathematics and Science 2000 Report : Using the Survey of Enacted Curriculum Conducted During Eight USI Site Visits
State Indicators of Science and Mathematics Education, 1997 State-by-state Trends and New Indicators from the 1995-96 School Year