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21 Oct 2026
29m

We try to fix election polling (update)

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Planet Money

Modern election polling faces an existential crisis as traditional random sampling methods struggle against plummeting response rates and the decline of landline usage. Historically, polling accuracy has been defined by significant failures, such as the 1936 Literary Digest blunder and the 1948 Dewey-Truman miscalculation, which forced the industry to constantly refine its statistical approach. Today, pollsters grapple with the difficulty of reaching representative samples, leading to the adoption of sophisticated weighting techniques and experimental "wisdom of crowds" questions. By asking respondents to predict election outcomes or report the voting intentions of their social networks, researchers attempt to bypass individual reluctance to share personal political views. These adaptations reflect a broader effort to maintain the integrity of public opinion data in an era where traditional phone-based outreach is increasingly ineffective.

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