The Reason-Rupe Winter 2011 poll collected a nationally representative sample of 1200 respondents, aged 18 and older from all 50 states and the District of Columbia using live telephone interviews from December 1st-13th 2011. The margin of sampling error for this poll is ± 3 percent. Questions on the GOP presidential primary were collected from December 3rd-13th, have a sample size of 1029, and a ± 5 percent margin of error. Interviews were conducted with respondents using both landline (777) and mobile phones (423). Landline respondents were randomly selected within households based on the adult who had the most recent birthday. The sample was weighted by gender, age, race, Hispanic ethnicity, party identification, public and private sector employees, and Census region, based on the most recent US Census data. The sampling frame included landline and mobile phone numbers generated using Random Digit Dialing (RDD) methods and randomly selected numbers from a directory-listed sample. Click here for full methodological details. NSON Opinion Strategy conducted the pollʼs fieldwork.
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