Poll conducted Oct. 15 - 18, 2015: Highlights from telephone interviews in New Hampshire with 800 likely Republican and Democratic presidential primary voters (plus or minus 4.9 percentage points, at the 95% confidence level, 400 primary voters in each party).

Poll conducted June 19 - 22, 2015: Highlights from interviews in New Hampshire with 400 likely Democratic presidential primary voters (plus or minus 4.9 percentage points).

Poll conducted May 2-6, 2015: Highlights from interviews in New Hampshire with 400 likely Republican and 400 likely Democratic primary voters (plus or minus 4.9 percentage points), and 500 general election voters (plus or minus 4.4 percentage points).

Poll conducted Jan. 31 - Feb. 5, 2015: Highlights from interviews in New Hampshire with 400 likely Republican and 400 likely Democratic primary voters (plus or minus 4.9 percentage points), and 503 general election voters (plus or minus 4.4 percentage points).

Poll conducted Nov. 12-18, 2014: Highlights from interviews in New Hampshire with 500 general election voters (plus or minus 4.4 percentage points for all voters), with an oversample of 407 likely Republican primary voters and 404 likely Democratic primary voters in New Hampshire (plus or minus 4.9 percentage points for all voters).