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  Roper Center for Public Opinion Research [Details]

First-time users have to register. The Roper Center has a large archive of public opinion information. It contains nearly 500,000 questions and responses from national public opinion surveys going back to 1935. Among the many survey sources are Gallup, Harris, New York Times, Wall Street Journal, ABC, CBS, CNN and NBC. The archive includes full datasets required to conduct bivariate and multivariate analyses using RoperExpress.