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Jan. 28, 2011

Cell Phones | Pew Research Center

http://www.people-press.org/methodology/sampling/cell-phones/

... dedicated a special issue to the topic of cell ... 31, 2008; How Serious is Polling's
Cell-Only ... June 20, 2007; Online Papers Modestly Boost Newspaper ...

Jan. 28, 2011

Cell Phone Surveys | Pew Research Center

http://www.people-press.org/methodology/collecting-survey-data/cell-phone-surveys/

... questions, especially those that cover more sensitive topics. ... 31, 2008; How
Serious is Polling's Cell-Only ... June 20, 2007; The Cell Phone Challenge ...