Scott Alexander, curated
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Change Minds Or Drive Turnout?

Quality
70
Strong
Claude Shift
48
Moderate
RWI
2
of 10

Summary

A careful, evidence-weighing rebuttal to the leftist claim (Current Affairs, Daily Kos) that Democrats should run on principle to drive base turnout rather than chase 'mythical' moderate swing voters. Scott reviews Hall & Thompson (2017), whose regression-discontinuity design over 1,658 House races finds extremist candidates do worse — largely by skewing turnout toward the opposing party — tentatively supporting an all-turnout, no-persuasion picture. But he pushes back: exit polls show real vote-switching (2008: 9% D->R, 17% R->D; 2016: ~13% Obama->Trump), and Nate Cohn's 2016 analysis finds turnout was only a 'modest' factor while persuasion (white working-class Obama->Trump switchers) was the big driver. He honestly reports that his own attempt to model the numbers fails ('I'm confused'), then very tentatively concludes swing voters mattered in 2016 and are at least as important as turnout. Synthesis: evidence leans AGAINST 'extremism turns out the base'; Trump shows you can win not by moving straight right but with NEW cross-cutting ideas. 'Don't frame it as extremism turns out the base, and especially not as swing voters don't matter.'

Why this score

Quality 70 · Strong. Strong (70). A well-sourced, genuinely even-handed engagement with a real empirical debate (regression-discontinuity, exit polls, Cohn's turnout analysis), with admirable epistemic honesty (he reports that his own model doesn't work). Held to mid-Strong by its topical 2016-postmortem framing and deliberately tentative conclusion.

Claude’s paradigm shift 48 · Moderate. Moderate (48). An evidence-review of an existing turnout-vs-persuasion debate; the value is the careful weighing, not a new idea.

Real-world impact 2 · Minor. Minor (2). The turnout-vs-persuasion question has real campaign-strategy stakes, but this is one blogger's analysis with no direct effect.