Since election night, pollster J. Ann Selzer has examined the pre-election Iowa Poll’s methods and respondent sample for clues about why its results differed so widely from the actual vote.
The poll showed Vice President Kamala Harris leading by 3 percentage points. In the actual vote, President-elect Donald Trump won Iowa by 13 points.
Selzer’s review has taken the form of testing plausible theories against available data. To date, no likely single culprit has emerged to explain the […]
An update from the editor: What a review of the pre-election Iowa Poll has found