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註釋This report on teachers' academic preparation and professional development, the amount of emphasis science instruction receives in schools, student course taking, and the availability of school resources that support science learning is intended primarily for policy makers, school administrators, and educators concerned with state- or school-level policies. Data is drawn from the 1996 National Assessment of Educational Progress (NAEP) and results are presented using the students as the unit of analysis. Appendises present an overview of procedures used for the NAEP 1996 Science Assessment and standard errors. Contains 14 figures and 25 tables. (DDR)