| Acknowledgements | 第6-7页 |
| 摘要 | 第7-9页 |
| Abstract | 第9-10页 |
| LIST OF FIGURES AND TABLES | 第11-12页 |
| LIST OF ABBREVIATIONS AND FORMULAS | 第12-15页 |
| Chapter 1 Introduction | 第15-18页 |
| 1.1 Rationale of the Study | 第15-16页 |
| 1.2 Aims of the Study | 第16页 |
| 1.3 Organization of the Study | 第16-18页 |
| Chapter 2 Literature Review | 第18-26页 |
| 2.1 Definition of Readability | 第18-19页 |
| 2.2 The Significance of Research on Readability | 第19-20页 |
| 2.3 History of Readability Research and Achievements | 第20-24页 |
| 2.4 The Weakness of the Former Research | 第24-26页 |
| Chapter 3 Theoretical Foundations | 第26-33页 |
| 3.1 Readability in Terms of Cognitive Linguistics and Informatics | 第26-28页 |
| 3.2 Discourse Analysis | 第28页 |
| 3.3 Chunk Theory | 第28-31页 |
| 3.4 Corpus Establishment | 第31-33页 |
| Chapter 4 Model and Hypothesis | 第33-39页 |
| 4.1 Word Difficulty as a Factor | 第33-34页 |
| 4.2 Type Token Ratio as a Factor | 第34页 |
| 4.3 Chunk Number as a Factor | 第34-35页 |
| 4.4 Sentence Length as a Factor | 第35页 |
| 4.5 Clause Number as a Factor | 第35-36页 |
| 4.6 Total Words as a Factor | 第36页 |
| 4.7 Prospecting Score | 第36页 |
| 4.8 Supposed Text Readability | 第36-37页 |
| 4.9 Regression Analysis | 第37-39页 |
| Chapter 5 Experimental Data Acquisition and Processing | 第39-51页 |
| 5.1 Experimental Data Acquisition | 第39-44页 |
| 5.2 Multi-Regression Analysis and the Function Fitting | 第44-51页 |
| 5.2.1 Correlation Analysis | 第44页 |
| 5.2.2 Scatter Plot | 第44-47页 |
| 5.2.3 Function of Multi-Linear Regression | 第47-51页 |
| Chapter 6 Model Test | 第51-53页 |
| 6.1 Test Procedure | 第51页 |
| 6.2 Testing Materials | 第51页 |
| 6.3 Testing Results | 第51-53页 |
| Chapter 7 Discussion and Implications | 第53-55页 |
| 7.1 Discussion | 第53页 |
| 7.2 Implications | 第53-55页 |
| Chapter 8 Conclusion | 第55-57页 |
| 8.1 Research Results | 第55-56页 |
| 8.2 Work in the Future | 第56-57页 |
| Bibliography | 第57-60页 |
| Appendix A Wordlist of the High-Frequency Words in the Established Corpus | 第60-68页 |
| Appendix B Each Word Diiffculty Level of Text 1 in Newconcept 3 | 第68-70页 |
| Appendix C Quantities of Factors That Affects Text Diiffculty for 60 new concept Texts | 第70-72页 |
| Appendix D Testing Texts | 第72-79页 |
| Achievements | 第79页 |
