| Acknowledgements | 第1-6页 |
| Abstract in English | 第6-10页 |
| Abstract in Chinese | 第10-12页 |
| Table of Contents | 第12-17页 |
| List of Tables | 第17-19页 |
| List of Figures | 第19-20页 |
| Abbreviation | 第20-21页 |
| Chapter 1 Introduction | 第21-27页 |
| ·Background of the study | 第21-22页 |
| ·Research goals and theoretical foundation | 第22-24页 |
| ·Significance of the study | 第24-25页 |
| ·Outline of the thesis | 第25-27页 |
| Chapter 2 Theoretical framework | 第27-45页 |
| ·The Interactionist approach to SLA | 第27-29页 |
| ·Input and SLA | 第29-31页 |
| ·Interaction and SLA | 第31-36页 |
| ·Interaction in SLA | 第31-32页 |
| ·Importance of Negotiation | 第32-34页 |
| ·Interaction in CMC | 第34-36页 |
| ·Output and SLA | 第36-38页 |
| ·Output Hypothesis | 第36-37页 |
| ·Functions of Output | 第37-38页 |
| ·Interim Summary | 第38页 |
| ·Corrective Feedback in SLA | 第38-41页 |
| ·Definition and Classification of Corrective Feedback | 第39-40页 |
| ·Function of Corrective Feedback | 第40-41页 |
| ·Recast as a Kind of Feedback | 第41-44页 |
| ·Nature of Recast | 第41-43页 |
| ·Recasts’Focus on Form Function | 第43-44页 |
| ·Summary | 第44-45页 |
| Chapter 3 Literature review | 第45-56页 |
| ·Recast and L2 Development within FTF Settings | 第45-52页 |
| ·Laboratory Studies on Recasts | 第45-46页 |
| ·Classroom Studies on Recasts | 第46-48页 |
| ·Factors that Affect the Efficacy of Recast | 第48-52页 |
| ·Instructional Foci | 第48-49页 |
| ·Developmental Readiness | 第49-50页 |
| ·Context | 第50页 |
| ·Individualized Attention, Consistent Focus and Intensity | 第50-51页 |
| ·Processing Time | 第51页 |
| ·Target Structure | 第51-52页 |
| ·Recast and L2 Development in CMC Setting | 第52-54页 |
| ·Features of CMC | 第52-53页 |
| ·Relevant Studies about Recast in CMC Setting | 第53-54页 |
| ·Innovations in the Present Study | 第54-56页 |
| Chapter 4 Research Design | 第56-77页 |
| ·Objective and Research Questions | 第56-57页 |
| ·Operationalizations of L2 Development | 第57-59页 |
| ·Experimental Design | 第59-61页 |
| ·Linguistic Focus | 第61-62页 |
| ·The Participants | 第62-63页 |
| ·Materials | 第63-68页 |
| ·Materials for Discussion | 第63-64页 |
| ·Tests and Testing Materials | 第64-68页 |
| ·Purposes of the Tests | 第64-65页 |
| ·Written Tests | 第65-66页 |
| ·Oral Production Tests | 第66-68页 |
| ·Equipment | 第68-69页 |
| ·Pilot Study | 第69页 |
| ·Procedures | 第69-72页 |
| ·FTF (face to face) Setting | 第70页 |
| ·CMC (computer mediated communication) Context | 第70-71页 |
| ·Summary | 第71-72页 |
| ·Treatment of Data | 第72-77页 |
| ·Scoring of the Written Tests | 第72-73页 |
| ·Scoring of Oral Tests | 第73-74页 |
| ·Inter-rater Reliability | 第74-75页 |
| ·Data Cleaning | 第75-76页 |
| ·Statistical Methods and Software Packages Used | 第76-77页 |
| Chapter 5 Results of the Experiment | 第77-99页 |
| ·Checking the Learner’s Primary Language Proficiency | 第77-81页 |
| ·Examination of the Results of Written Pretest | 第78-79页 |
| ·Examination of the Oral Production Tests | 第79页 |
| ·Examination of Learners’CET 4 Scores | 第79-80页 |
| ·Interim Summary | 第80-81页 |
| ·Results of Within-group Comparison | 第81-83页 |
| ·Within-group Comparison in Written Grammaticality Tests | 第81-82页 |
| ·Within-group Comparison in Oral Production Tests | 第82-83页 |
| ·Interim Summary | 第83页 |
| ·Comparison Along Axis I: Control vs. Experimental Conditions and Axis II: FTF vs. CMC Conditions | 第83-86页 |
| ·Results of Between-group Comparison | 第86-92页 |
| ·Between-group Comparison of the Results from Written Posttests | 第87-90页 |
| ·Between-group Comparison of the Results of Written Delayed Posttests | 第90-91页 |
| ·Target Structure | 第91-92页 |
| ·The Analysis of the Results of the Oral Production Tests | 第92-94页 |
| ·Development of General Grammatical Competence in the Oral Production Test | 第92-93页 |
| ·Target Structure Development in the Oral Production Test | 第93-94页 |
| ·Interaction Effect | 第94-97页 |
| ·Summary | 第97-99页 |
| Chapter 6 Discussions | 第99-117页 |
| ·Discussion of Research Question 1 & 2 | 第99-102页 |
| ·Discussion of Research Question 1 | 第99-101页 |
| ·Discussion of Research Question 2 | 第101-102页 |
| ·Discussion of Research Question 3 | 第102-103页 |
| ·Discussion of Research Question 4 | 第103-114页 |
| ·Discussion of Research Question 4 (1) | 第103-104页 |
| ·Discussion of Research Question 4 (2) | 第104-105页 |
| ·Discussion of Research Question 4 (3) | 第105-112页 |
| ·Written Modality | 第105-106页 |
| ·Retention of the Chatscript | 第106-107页 |
| ·Saliency | 第107-108页 |
| ·Longer Processing Time | 第108-109页 |
| ·Noticing under CMC | 第109-110页 |
| ·Different Classroom Dynamics | 第110-112页 |
| ·Discussion of Research Question 4 (4) | 第112-114页 |
| ·Discussion of Research Question 5 | 第114-115页 |
| ·Summary | 第115-117页 |
| Chapter 7 Implications and Conclusion | 第117-127页 |
| ·Review of the Major Findings | 第117-120页 |
| ·Implications of the Study | 第120-124页 |
| ·Theoretical Implications | 第120-122页 |
| ·Methodological Implications | 第122页 |
| ·Pedagogical Implications | 第122-124页 |
| ·Limitations | 第124-125页 |
| ·Suggestions for Future Research | 第125页 |
| ·Conclusion | 第125-127页 |
| References | 第127-136页 |
| Appendixes | 第136-151页 |