文摘
英文文摘
学位论文独创性声明及授权使用声明
Acknowledgements
Introduction
Chapter One Basic Conceptions of the Watchdog Function of American Mass Media
1.1 The Definition of the Watchdog Function of American Mass Media
1.2 The Theories of American Mass Media Operation
1.3 America's Tradition of Upholding a Free Press
1.4 The Significance of Watchdog Function of American Mass Media
Chapter Two A Brief Review of the Watchdog Function of American Mass Media in Wartime
2.1 A Historical Review
2.2 The Iraq War Reporting
2.2.1 Content Analysis of the “Ground Rules”
2.2.2 Different Views on the Watchdog Function of American Mass Media in the Iraq War
Chapter Three A Multi-perspective Analysis of the Watchdog Function of American Mass Media
3.1 The Influence of Political Environment: the Formulation of Bush Doctrine
3.2 The Influence of Economic Environment: Commercialism and Concentration of Media Ownership
3.3 From the Perspective of News Sources and News Dissemination
3.3.1 The Influence of Professional Media Management of American Government
3.3.2 Public Relations of American Government
3.4 The Powerful Agenda-setting Effect of American Mass Media
3.5 The Changing Role of the Mass Media in the New Technological Context
Conclusion
Notes
Bibliography
