into categories for further examination. Discussions of each of these categories, together with the refined methodology, appear in three chapters: Chapter 4 details content analysis studies, Chapter 5 details comparative studies, and Chapter 6 details case and synthesis studies. These subgroup reports were subsequently reviewed and discussed by the entire committee and were revised to relate to each other and to the framework.
Our conclusions and recommendations are listed in Chapter 7.
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On Evaluating Curricular Effectiveness: Judging the Quality of K-12 Mathematics Evaluations . Washington, DC: The National Academies Press,
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As of 2013, the National Science Education Standards have been replaced by the Next Generation Science Standards (NGSS), available as a print book, free PDF download, and online with our OpenBook platform.
The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.