序 前言 Acknowledgements Abstract List of Tables List of Figures Chapter 1 Introduction 1.1 Context of the Study 1.2 Purpose of the Study and Research Questions 1.3 Significance of the Study Chapter 2 Theoretical Frameworks in L2 Writing Research 2.1 Theoretical Frameworks in L2 Writing Research 2.1.1 Models of Writing 2.1.2 Cummins' Hypotheses of Language Transfer 2.1.3 Conceptions of Second Language Proficiency and Writing Expertise 2.1.4 Working Memory Capacity in Writing 2.2 Review of Relevant Studies 2.2.1 Research on L1 and L2 Writing Ability and L2 Language Proficiency 2.2.2 Research on the Use of Writing Strategies and L2 Writing 2.2.3 Research on Working Memory Capacity and Writing 2.3 Summary Chapter 3 Methodologies and Materials 3.1 Participants 3.2 Instruments 3.2.1 Timed Essay Writing in L1 and L2 3.2.2 Writing Strategies Questionnaire 3.2.3 Operation Span Task for Working Memory Capacity 3.2.4 Vocabulary Size Tests 3.2.5 Timed Grammaticality Judgment Task 3.3 Data Collection Procedures 3.4 Scoring 3.4.1 Timed Essay Writing in L1 and L2 3.4.2 Use of Writing Strategies 3.4.3 Working Memory Capacity 3.4.4 Vocabulary Scores 3.4.5 Grammar Score 3.5 Variables for Statistical Analysis 3.5.1 L2 Writing Ability (EW) 3.5.2 L1 Writing Ability (CW) 3.5.3 L2 Language Knowledge (EK) 3.5.4 Genre Knowledge (GK) 3.5.5 Strategy Use (SU) 3.5.6 Working Memory Capacity (WM) Chapter 4 Statistical Analyses of the Research Questions 4.1 Preliminary Data Analysis 4.1.1 Demographic Information of the Participants 4.1.2 Descriptive Statistics and Reliability of the Variables 4.1.3 Inter-rater Reliability 4.2 Statistical Analyses for the Research Questions 4.2.1 Research Question 1: Relationship between Writing Ability and Working Memory Capacity 4.2.2 Research Question 2: Relationship between L1, L2 Writing Ability and L2 Language Knowledge 4.2.3 Research Question 3: Relationship between L1, L2 Writing and the Use of Strategies 4.2.4 Research Question 4: Relative Importance of the Selected Variables to L2 Writing Performance Chapter 5 Discussion and Conclusion 5.1 Discussion of the Results and Sunmmary of the Findings 5.1.1 Research Question 1: Relationship between Writing Ability and Working Memory Capacity 5.1.2 Research Question 2: Relationship between L1, L2 Writing Ability And L2 Language Knowledge 5.1.3 Research Question 3: Relationship between L1, L2 Writing and The Use of Strategies 5.1.4 Research Question 4: Relative Importance of the Selected Variables to L2 Writing Performance 5.2 Implications 5.2.1 Implications for the Blueprint of an L2 Writer 5.2.2 Implications for L2 Writing Instruction 5.2.3 Implications for Assessment and/or Measurement 5.3 Limitations and Suggestions for Future Research 5.4 Conclusion References Appendix Appendix A Essay Writing Prompts Appendix B Questionnaires Appendix C Operation Span Tasks for Working Memory Capacity Appendix D Vocabulary Size Tests Appendix E Materlal for Grammaticality Judgment Task Appendix F Essay Rating Scales Appendix G Correlations Matrix Appendix H Approved Informed Consent Form
