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標題: 13632 [打印本頁]

作者: Lieejs999    時間: 2018-10-10 22:57     標題: 13632

The Associated Press-GfK poll on the Super Bowl and the NFL was conducted by GfK Public Affairs and Corporate Communications Jan. 17-21. It is based on online interviews of 1,Curry 1 Low White For Sale,060 adults who are members of GfK's nationally representative KnowledgePanel.
The original sample was drawn from a panel of respondents recruited via phone or mail survey methods. GfK provides Internet access to panel recruits who don't already have it. With a probability basis and coverage of people who otherwise couldn't access the Internet, online surveys using KnowledgePanel are nationally representative.




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