The Suffolk University / USA Today Poll was done was done between December 2nd and 6th of random national samples of 363 Democrats and 357 Republicans. The margin of error for Democrats is 5.1 points, and for Republicans is 5.2 points.
The IBD / TIPP Poll was done between November 30th and December 4th of random national samples of 345 Democrats and 394 Republicans. The margin of error for Democrats was 5.4 points, and for Republicans was 5 points.
