среда, 14 марта 2012 г.

Details on Methodology of AP-Ipsos Poll

The Associated Press-Ipsos poll on the 2008 presidential race was conducted Sept. 10-12, 2007 and is based on telephone interviews with a nationally representative random sample of 1,000 adults from all states except Alaska and Hawaii. The sample included 482 respondents who identified themselves as Democrats or who lean toward the Democratic Party, and 358 respondents who identified themselves as Republicans or who lean toward the Republican Party.

Digits in the phone numbers dialed were generated randomly to reach households with unlisted and listed landline numbers.

Interviews were conducted in both English and Spanish.

As is done routinely in surveys, results …

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