Title: Trump's Bogus Voter Fraud Claims - FactCheck.org
Headings: Trump’s Bogus Voter Fraud Claims
Trump’s Bogus Voter Fraud Claims
Dead People
Noncitizens
Is Voter Fraud ‘Common’?

Content: In a blistering rebuke of that study, the managers of the database on which the article by Richman and Earnest was based wrote in Electoral Studies that “measurement errors” in the survey led to a “biased estimate of the rate at which non-citizens voted in recent elections. The results, we show, are completely accounted for by very low frequency measurement error; further, the likely percent of non-citizen voters in recent US elections is 0.” “Their finding is entirely due to measurement error,” one of the authors, Stephen Ansolabehere of Harvard and the principal investigator of CCES, wrote to us in an email. “ Measurement errors happen. People accidentally check the wrong box in surveys. The rate of such errors in the CCES is very small, but such errors do happen. And when they do happen on a question such as citizenship, researchers can easily draw the wrong inference about voting behaviors. Richman and Earnest extrapolate from a handful of wrongfully classified cases (of non-citizens).” How do the database managers know?