| 摘要 | 第1-7页 |
| Abstract | 第7-15页 |
| Chapter One INTRODUCTION | 第15-19页 |
| ·Background of the Present Study | 第15-16页 |
| ·Objective of the Present Study | 第16-17页 |
| ·Significance of the Study | 第17页 |
| ·Scope of the Study | 第17-18页 |
| ·Organization of the Thesis | 第18-19页 |
| Chapter Two THEORETICAL FRAMEWORK | 第19-27页 |
| ·Cognitive Approaches to L2 Research in Task-based Teaching and Learning | 第19-24页 |
| ·Limited Attentional Capacity Model and Task Difficulty | 第19-21页 |
| ·Cognitive Hypothesis and Task Complexity | 第21-24页 |
| ·Language Performance of Task Difficulty and Task Complexity | 第24-26页 |
| ·Summary | 第26-27页 |
| Chapter Three LITERATURE REIVEW | 第27-35页 |
| ·Previous Researches Abroad | 第27-30页 |
| ·Researches on effects of planning time | 第27-29页 |
| ·Researches on effects of prior knowledge | 第29-30页 |
| ·Previous Researches at Home | 第30-32页 |
| ·Strengths and Limitations of the Previous Studies | 第32-33页 |
| ·Strengths of the Previous Studies on Written Performance | 第32页 |
| ·Limitations of the Previous Studies | 第32-33页 |
| ·Originality of the Present Study | 第33页 |
| ·Summary | 第33-35页 |
| Chapter Four RESEARCH DESIGN | 第35-46页 |
| ·Research Questions and Hypotheses | 第35页 |
| ·Experimental Design | 第35-41页 |
| ·Pilot Study | 第36-37页 |
| ·Pretest | 第37-38页 |
| ·Post Test | 第38-40页 |
| ·Questionnaires | 第40-41页 |
| ·Materials in the Experiment | 第41页 |
| ·Participants | 第41-42页 |
| ·Conditions of the Post Test | 第42-43页 |
| ·Variables in the Experiment | 第43页 |
| ·Instrument for Hypotheses Testing | 第43-44页 |
| ·Summary | 第44-46页 |
| Chapter Five METHODOLOGY | 第46-56页 |
| ·Measures of the Pilot Study | 第46页 |
| ·Measures of the Pretest | 第46-47页 |
| ·Operationalization of Intervening Variables | 第47-49页 |
| ·Data Collection | 第49-54页 |
| ·Measure of Accuracy | 第49-50页 |
| ·Measure of Syntactic Complexity | 第50-51页 |
| ·Measure of Lexical Variation | 第51-53页 |
| ·Measure of Fluency | 第53-54页 |
| ·Measure of Questionnaires | 第54页 |
| ·Summary | 第54-56页 |
| Chapter Six RESULTS AND DISCUSSION | 第56-71页 |
| ·Results of the Questionnaires | 第56-57页 |
| ·Results and Discussion of Hypothesis One | 第57-61页 |
| ·Results of Hypothesis One | 第58-59页 |
| ·Discussions of Hypothesis One | 第59-61页 |
| ·Results and Discussion of Hypothesis Two | 第61-66页 |
| ·Results of Hypothesis Two | 第61-64页 |
| ·Discussion of Hypothesis Two | 第64-66页 |
| ·Results and Discussion of Hypothesis Three | 第66-70页 |
| ·Results of Hypothesis Three | 第66-67页 |
| ·Discussions of Hypothesis Three | 第67-70页 |
| ·Summary | 第70-71页 |
| Chapter Seven CONCLUSIONS | 第71-74页 |
| ·Main Findings | 第71-72页 |
| ·Implications | 第72-73页 |
| ·Limitations and Suggestions | 第73-74页 |
| REFERENCES | 第74-81页 |
| APPENDICES | 第81-89页 |
| Appendix A | 第81-82页 |
| Appendix B | 第82-83页 |
| Appendix C | 第83-84页 |
| Appendix D | 第84-85页 |
| Appendix E | 第85-86页 |
| Appendix F | 第86-87页 |
| Appendix G | 第87-88页 |
| Appendix H | 第88-89页 |
| Acknowledgements | 第89页 |
