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    • Washington Post-Pew Research Center Poll

      Washington Post· 1 day ago

      The results from the full survey have a margin of sampling error of plus or minus 3.5 percentage points. Sampling, data collection and tabulation by Princeton Survey Research Associates International ...

    • Washington Post Poll (washingtonpost.com)

      Washington Post· 1 day ago

      This Washington Post poll was conducted by telephone March 31 to April 3, 2011, among a random national sample of 1,008 adults, including users of both conventional and cellular phones. The ...

    • Washington Post-Bloomberg News Poll

      Washington Post· 1 day ago

      The results from the full survey have a margin of sampling error of plus or minus 3.5 percentage points. For the sample of 391 Republicans and GOP-leaning independents the error margin is six ...