| 摘要 | 第1-8页 |
| Abstract | 第8-11页 |
| Introduction | 第11-13页 |
| Chapter One Basic Conceptions of the Watchdog Function of American Mass Media | 第13-18页 |
| ·The Definition of Watchdog Function of American Mass Media | 第13页 |
| ·The Theories of American Mass Media Operation | 第13-15页 |
| ·America's Tradition of a Free Press | 第15-17页 |
| ·The Significance of the Watchdog Function of American Mass Media | 第17-18页 |
| Chapter Two A Brief Review of the Watchdog Function of American Mass Media in Wartime | 第18-25页 |
| ·A Historical Review | 第18-20页 |
| ·The Iraq War reporting | 第20-25页 |
| ·Content Analysis of the "Ground Rules" | 第20-23页 |
| ·Different Views on the Watchdog Function of American Mass Media in the Iraq War | 第23-25页 |
| Chapter Three A Multi-perspective Analysis of the Watchdog Function of American Mass Media | 第25-45页 |
| ·The Influence of Political Environment: the Formulation of Bush Doctrine | 第25-32页 |
| ·The Influence of Economic Environment: Commercialism and Concentration of Media Ownership of the Mass Media | 第32-34页 |
| ·News Sources and News Dissemination | 第34-40页 |
| ·The Influence of Professional Media Management of American Government | 第34-37页 |
| ·Public Relations of American Government | 第37-40页 |
| ·The Powerful Agenda-setting Effect of American Mass Media | 第40-42页 |
| ·The Changing Role of the Mass Media in the New Technological Context | 第42-45页 |
| Conclusion | 第45-47页 |
| Notes | 第47-50页 |
| Bibliography | 第50-52页 |
