Research Methodology

The Pew Research Center gathers data through several methods, including public opinion polling, online surveys and empirical research. The center also analyzes the methodology of polling and examines related issues, such as public confidence in poll results.

Staffed by veteran pollsters and social scientists, the center is a polling and research group that provides data on the issues, attitudes and trends shaping America and the world.

Data collected and shared by the center help journalists, pollsters, academic researchers and the public learn more about the reliability of polling in the United States.

The center has covered many topics related to polling methology including: the trustworthiness of polls about presidential candidate Barack Obama; the views of cell phone-only users on issues, compared to those of land-line users; the reliability of polling in the 2006 mid-term elections; and the controversy over exit polling.

The Pew Research Center does not take positions on policy debates. It is a nonpartisan subsidiary of Pew based in Washington, D.C. For more information about its research into polling methodology, visit the Pew Research Center Web site

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