How the poll was conducted (AP)

[unable to retrieve full-text content]AP - The Associated Press-GfK Poll on President Obama and the economy was conducted by GfK Roper Public Affairs & Corporate Communications from Feb. 16-20. It is based on landline and cellphone telephone interviews with a nationally representative random sample of 1,000 adults. Interviews were conducted with 700 respondents on landline telephones and 300 on cellular phones.

Source: http://us.rd.yahoo.com/dailynews/rss/obama/*http%3A//news.yahoo.com/s/ap/20120222/ap_on_el_pr/us_ap_poll_obama_method

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