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View Diary: ABC/WaPo: O 49/ R 46 LV (410 comments)

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  •  Pew polls take a long time to answer... (0+ / 0-)

    ...which is why they tend to swing wildly in their results. If you're demoralized you don't want to finish the poll. If you're excited, you tell everybody about it. That's why Pew swings so much - self selection bias. It's a measure of excitement, for sure, but the beta is too high.

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