First of all.. Lede is very confusing -- what is the topic?
** Can be inaccurate because people that complete surveys about pre-voting or post-voting probably are a different demographic than those who actually vote?
** change of polls in within margin of error-- premise of story is false.
Other survey : written - 6% admitted, face to face - 1% --> social desirability
depends how you are conducting a survey -- varies results and margin of error.
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