Contents Acknowledgments ix Introduction 1 Part 1: Historical Perspectives 1. The Meaning of Twins and Supertwins 9 2. Perspectives about Twins and Supertwins 33 Part 2: Development 3. Physical Development 55 4. Social and Emotional Development 79 5. Learning and Language Development 107 Part 3: Needs and Practices 6. The Unique Needs of Twins and Supertwins 133 7. Program Practices to Meet Unique Needs 155 8. Guidelines and Transition to Primary Grades 203 Glossary 221 Appendix A: Unique Needs of Preschool Twins (UNPT) 229 Appendix B: Program Practices to Meet the Unique Needs of Preschool Twins (PPUNPT) 231 Appendix C: Teachers Taking Action 235 Appendix D: Resources to Support Multiples and Their Families 237 References 241 Index 259 Twins_4th pages.indd 7 4/24/10 2:29:42 PM