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Reply #12: it's a bit sketchy so far [View All]

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OnTheOtherHand Donating Member (1000+ posts) Send PM | Profile | Ignore Sat Sep-20-08 02:00 PM
Response to Reply #9
12. it's a bit sketchy so far
Averaging the pollsters together the way he has is seriously apples-and-oranges, especially when the number of polls per pollster ranges from 3 to 184. There's no good way to solve this problem; we just don't know enough.

Pew has generally concluded that properly weighted landline surveys have provided similar results on political issues as dual-frame surveys that include cell phone users. That may no longer be the case, but I haven't seen strong evidence one way or another.

Let me be clear: if one just does landline calls and doesn't weight them at all, the results will be biased.
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