Presidential Contest Tracking, Oregon 2012 General

This trend analysis shows both the consistent Obama advantage throughout the campaign and the national Romney bump at the beginning of October due to the debate carried through to Oregon.

The data come from five surveys composed of 200 live telephone interviews each conducted  September 17-18, October 1-2, October 15-16, October 22-23, and October 29-30, 2012. The margin of error on each survey is plus or minus 7 percent. Quotas were established to guarantee a representative sample of likelyOregon General Election voters.

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