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About this Poll
The Iowa Emerson College poll was conducted October 13-16, 2019 under the Supervision of Emerson Polling Director and Assistant Professor Spencer Kimball. The sample consisted of registered voters, n=888, with a Credibility Interval (CI) similar to a poll’s margin of error (MOE) of +/- 3.2 percentage points. The data was weighted by gender, age, education, region and mode based on 2016 turnout modeling. It is important to remember that subsets based on gender, age, party breakdown, ethnicity and region carry with them higher margins of error, as the sample size is reduced. Data was collected using both an Interactive Voice Response (IVR) system of landlines only (n=571) and an online panel provided by Amazon Turk and Dynata (n=317).