Numbers, Facts and Trends Shaping Your World

Public Takes Conservative Turn on Gun Control, Abortion

About the Survey

Results for this survey are based on telephone interviews conducted under the direction of Princeton Survey Research Associates among a nationwide sample of 3,013 adults, 18 years of age or older, from March 31 – April 21, 2009 (2260 respondents were interviewed on a landline telephone, and 753 were interviewed on a cell phone, including 271 who had no landline telephone). Interviews were conducted in English and Spanish. Both the landline and cell phone samples were provided by Survey Sampling International. Detailed information about our survey methodology

The questions in this release were asked of Form 2 respondents only; results are based on 1,521 interviews. For results based on Form 2, one can say that the error attributable to sampling that would be expected at the 95% level of confidence is plus or minus 3 percentage points. In addition to sampling error, one should bear in mind that question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of opinion polls.

The combined landline and cell phone sample are weighted using an iterative technique that matches gender, age, education, race/ethnicity, region, and population density to parameters from the March 2008 Census Bureau’s Current Population Survey. The sample is also weighted to match current patterns of telephone status and relative usage of landline and cell phones (for those with both), based on extrapolations from the 2007 National Health Interview Survey. The weighting procedure also accounts for the fact that respondents with both landline and cell phones have a greater probability of being included in the sample.

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