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View Diary: The Despicable Acceptance of Torture in Our Culture (222 comments)

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  •  here's what the report says about the methodology (1+ / 0-)
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    Snud

    Results for the general public survey are based on telephone interviews conducted under the direction of Abt SRBI Inc. among a national sample of 2,000 adults living in the continental United States, 18 years of age or older, from October 28-November 8, 2009 (1500 respondents were interviewed on a landline telephone, and 500 were interviewed on a cell phone, including 193 who had no landline telephone). Both the landline and cell phone samples were provided by Survey Sampling International. Interviews were conducted in English and Spanish.

    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 also is 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 2008 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 combined sample and adjusts for household size within the landline sample. Sampling errors and statistical tests of significance take into account the effect of weighting. For detailed information about our survey methodology, see http://people-press.org/....

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