Public opinion

Political Ideology

American Political Values

Socialization

Reference Groups

Primary Reference Group

Secondary Reference Group

Liberal

Conservative

Marketplace of Ideas

Diffusion of Ideas

Opinion Polls

Sampling

Wording of the Question

Saliency

Media Sources

Journalists

Sources

Consumers

Agenda Setting

Political Parties

Linkage

Aggregation of Demands

Two-party System

Realignment

Divided Government

Third Party

Majority

Plurality

Geographic Representation

Proportional Representation

National Election

Mid-term Election

Open Primary

Closed Primary

Referendum
Anthony Downs
Utility

Electoral College

Pluralism

Faction

Interest Groups

Selective Benefits

Iron Triangle

Group Theory

David Truman

Iron Law of Oligarchy

Roberto Michels