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Can we use randomized field experiments to understand if and how persuasion efforts by campaigns work? To answer this question, we analyze a field experiment conducted during the 2008 presidential election in which 56,000 registered voters were assigned to persuasion in person, by phone, and/or by mail. We find persuasive appeals by canvassers had two(More)
Can randomized experiments at the individual level help assess the persuasive effects of campaign tactics? In the contemporary U.S., vote choice is not observable, so one promising research design involves randomizing appeals and then using a survey to measure vote intentions. Here, we analyze one such field experiment conducted during the 2008 presidential(More)
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