Frontmatter -- ACKNOWLEDGMENTS -- FOREWORD -- CONTENTS -- LIST OP TABLES -- LIST OF SYMBOLS -- INTRODUCTION -- II. BACKGROUND: LINGUISTICS AND WRITING -- III. CONSTRUCTION AND EVALUATION OF MATERIALS -- IV. CONTROLLING THE LINGUISTIC ENVIRONMENT -- V. ANALYSIS OF DATA -- VI. SUMMARY AND IMPLICATIONS FOR CURRICULUM DEVELOPMENT -- APPENDIX A: LESSONS IN THE KERNEL SENTENCES -- APPENDIX B: MEMBERS OF THE JURY -- SELECTED BIBLIOGRAPHY