Cell Phones And Election Polls
Pew Research Center:
The latest estimates of telephone coverage by the National Center for Health Statistics found that a quarter of U.S. households have only a cell phone and cannot be reached by a landline telephone. Cell-only adults are demographically and politically different from those who live in landline households; as a result, election polls that rely only on landline samples may be biased. Although some survey organizations now include cell phones in their samples, many — including virtually all of the automated polls — do not include interviews with people on their cell phones. (For more on the impact of the growing cell-only population on survey research, see “Assessing the Cell Phone Challenge,” May 20, 2010).
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"Cell Phones And Election Polls"
