Methodology
This ABC News/Washington Post poll was conducted by landline and cellular telephone Oct. 27-30, 2016, in English and Spanish, among a random national sample of 1,128 likely voters. Results have a margin of sampling error of 3 points, including the design effect. Partisan divisions are 38-28-29 percent, Democrats-Republicans-independents.
Q5a and Q5b were asked Oct. 28-30, among 388 and 397 Clinton and Trump supporters, respectively; they both have 5.5-point error margins.
The survey was produced for ABC News by Langer Research Associates of New York, N.Y., with sampling, data collection and tabulation by Abt-SRBI of New York, N.Y. See details on the survey’s methodology here.