| Abstract | 第1-5页 |
| 摘要 | 第5-8页 |
| Acknowledgements | 第8-9页 |
| Chapter Ⅰ. Introduction | 第9-11页 |
| Chapter Ⅱ.Definition and Origins of Public Interest Groups | 第11-15页 |
| ·Definition of Public Interest Groups | 第11-13页 |
| ·Origins of American Public Interest Groups | 第13-15页 |
| Chapter Ⅲ. American Democratic Political Structure | 第15-21页 |
| ·Constitutional Legitimacy-Amendment I of the US Constitution | 第15-16页 |
| ·Limited Representative Government | 第16-17页 |
| ·Division of Powers within the Federal Government and the System of Checks and Balances | 第17-18页 |
| ·Federalism | 第18-19页 |
| ·Judicial Independence | 第19-21页 |
| Chapter Ⅳ. Participation of Public Interest Groups in Governmental Decision-making | 第21-39页 |
| ·Participants | 第21-22页 |
| ·Incentives for the Political Participation | 第22页 |
| ·Public Interest Groups Resources | 第22-27页 |
| ·Financial Resources | 第23-24页 |
| ·Organizational Resources | 第24-26页 |
| ·Information and Technology Resources | 第26-27页 |
| ·Tactics Adopted by Public Interest Groups in Participation Process | 第27-33页 |
| ·Direct Lobbying | 第27-31页 |
| ·Indirect Lobbying | 第31-33页 |
| ·Participation in the Policy-Making Process | 第33-34页 |
| ·The Participation of Public Interest Groups in Legislative Decisions | 第33页 |
| ·The Participation of Public Interest Groups in Administrative Decisions | 第33-34页 |
| ·The Participation of Public Interest Groups in Judicial Decisions | 第34页 |
| ·Development of Public Interest Groups | 第34-39页 |
| ·Development of Public Interest Groups | 第34-36页 |
| ·Reasons behind the Development of Public Interest Groups | 第36-39页 |
| Chapter Ⅴ The Influence of Public Interest Groups | 第39-44页 |
| ·Influence of Public Interest Groups on the US Democratic Politics | 第39-44页 |
| ·Positive Influence | 第39-42页 |
| ·Negative Influence of Public Interest Groups upon American Democratic Politics | 第42-44页 |
| Chapter Ⅵ. Conclusion | 第44-46页 |
| Bibliography | 第46-48页 |
