www.huffingtonpost.com/2011/05/11/attacking-cnn-polls-young-...
sent by sarahkatheryn since 3 hours 44 minutes, published about 54 minutes
This controversy raises two important questions: First, why are CNN's pollsters having so much trouble reaching younger Americans? Second, does it matter that CNN's landline sample misses so many younger Americans that it has to weight the youngest age group up by a factor of at least three? The answer to the first question is easy: CNN's unweighted poll was light on younger Americans because their sample covered only households with a landline telephone. As documented by the National Center for Health Statistics, the percentage of American households with a cellphone but no landline telephone service has been steadily rising over the last ten years, especially among younger Americans. As of last year, 24.9 percent of all adults have wireless service only, but among those aged 25 to 29 years that number is now more than half -- 51.3 percent.
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