Political Science: Public Opinion

Gallup studies human behavior and provides insight into what people think and feel about the political, economic, and social issues of the moment.

Harris polls are conducted online by surveys e-mailed to individuals who register to receive them. Surveys cover a wide range of issues in government and the corporate and non-profit sectors.

Headquartered at the University of Chicago, NORC is a highly respected social research organization whose projects involve opinion surveys and other data collection strategies in such areas as society and culture, economics, population, education, mental health, and criminal justice.

A nonpartisan organization that conducts opinion polling, social science research, and analysis of news coverage on the issues, attitudes and trends shaping America and the world. Pew Research Center does not take positions on policy issues.

An independent electronic media company specializing in the collection and publication of public opinion polling information. The site provides daily tracking of politics, current events, consumer confidence, and presidential approval ratings. Rasmussen does not conduct polls for hire.