poniedziałek, 7 lipca 2014

How the AP-GfK poll was conducted

The Associated Press-GfK poll on the meaning of partisanship was conducted by GfK Public Affairs and Corporate Communications May 16-19. It is based on online interviews of 1,354 adults who are members of GfK's nationally representative KnowledgePanel, including 310 adults who have never been married.



via Tech News Headlines - Yahoo News http://ift.tt/Uz3yGq

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