1. Study Background. - The International Project. - The U. S. Studies. - Methodology. - 2. The General Context for Reform. - Why Reform?. - Strategies for Reform. - Roles and Actors. - Dissemination and Definitions of Success. - Micro Forces Shaping Individual Projects. - 3. The Changing Conceptions of Science Mathematics and Instruction. - Changes in the Fields of Science and Mathematics. - Changes in School Science and Mathematics. - Operationalizing the Views of Science. - Operationalizing the Views of Mathematics. - Changing Conceptions of Teaching and Learning. - Who Owns School Science and Mathematics in the 1990s?. - 4. The Changing Roles of Teachers. - Traditional Roles of Teachers. - New Roles for Teachers. - Conclusion. - 5. The Changing Conceptions of Reform. - Lessons From Research and Experience. - Systemic Reform. - Standards as Goals for Reform. - Partnerships and Collaboration. - Dissemination Strategies. - Technology Issues. - 6. Underplayed Issues. - Assessment of Student Achievement. - Evaluation of the Innovation Itself. - Issues of Equity and Diversity. - Summary. - 7. Assessing the Implementation of Innovations in Mathematics and Science Education. - The Macro and Micro Innovations. - Tracing Enactments: First Steps. - Adoption of the Innovations. - Enactments: A Closer Look. - Assistance. - Student Perceptions. - Stabilization and Continuation. - Concluding Comments. - Coda: New Paths for Bold Ventures. - A Sobering Heritage of Reform. - Studying Bold Ventures in Real Time. - New Roles and Strategic Alliances. - Systems and Particle Clouds. - How Much Reform Anyway?. - The Future of the Present. - References. Language: English