1. Introduction: The Nature of Theories Bill VanPatten & Jessica Williams 2. Early Theories in SLA Bill VanPatten & Jessica Williams 3. Linguistic Theory, Universal Grammar and Second Language Acquisition Lydia White 4. One Functional Approach to SLA: The Concept-Oriented Approach Kathleen Bardovi-Harlig 5. Usage-Based Approaches to SLA Nick Ellis and Stefanie Wulff 6. Skill Acquisition Theory Robert DeKeyser 7. Input Processing in Adult SLA Bill VanPatten 8. The Declarative/Procedural Model: A Neurobiologically-Motivated Theory of First and Second Language Michael T. Ullman 9. Processability Theory Manfred Pienemann and Anke Lenzing 10. Input, Interaction and Output in Second Language Acquisition Susan Gass and Alison Mackey 11. Sociocultural Theory and Second Language Development James P. Lantolf, Steven L. Thorne, and Matthew E. Poehner 12. Complexity Theory Diane Larsen-Freeman 13. Second Language Learning Explained?: SLA Across Ten Contemporary Theories Lourdes Ortega
Bill VanPatten is Professor of Spanish and Second Language Acquisition at Michigan State University. Jessica Williams is Professor of Linguisics at University of Illinois at Chicago.