Alexander Coppock
American political scientist at Yale University whose research focuses on experimental methods, causal inference, and political persuasion; author of Persuasion in Parallel.
Books
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1. Persuasion In Parallel
Drawing on a broad set of randomized experiments, this work shows that political messages do move attitudes, issue positions, and vote intentions, but typically by modest amounts that often fade over time. Crucially, these effects tend to be strikingly similar across partisan, demographic, and attitudinal groups, with little evidence of backlash or strong heterogeneity, meaning persuasive influence runs in parallel rather than diverging by audience. The findings challenge the idea that citizens are largely immune to persuasion, while underscoring that small, predictable, and short-lived shifts can cumulatively shape public opinion and elections in information-rich environments.
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