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Are_grits_groceries

(17,139 posts)
3. This post might help explain it.
Tue Mar 13, 2012, 09:14 AM
Mar 2012
http://www.democraticunderground.com/1002418319

Didn't know if you had seen it. The MSM is apparently changing the parameters in the middle of the game. There is no way to know what kind of change there would be with comparable groups. A lot of the change is probably due to the change in the make up of the groups they ask.

Polls are inherently wrong, thus the margin error. These polls are not valid as a measure against previous ones. They would be against another poll with the same groups.





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