ClaimsNate Silver

“All the scientific polls showed after the first debate that Clinton had won by a pretty emphatic margin.”

Nate Silver, FiveThirtyEight founder, interview answer 11 October 2016 Nate Silver On Why FiveThirtyEight Forecasts A Clinton Win (WBEZ Chicago) archived copy

Factual Science and research methods Political

Silver said that all the scientific polls after the first 2016 presidential debate showed Clinton had won by a pretty emphatic margin.

Mostly true True in substance, wrong in a detail.

Factual: Statements about the present or the past, checked against the record: did they hold up?

What would count as true or false

True: all scientific (probability-based or otherwise methodologically sound) snap or post-debate polls on who won the 26 September 2016 debate showed Clinton winning by a wide margin, roughly 15 points or more. CNN/ORC's 62–27 is one example. Mostly true: every scientific poll showed Clinton winning, but one or two by a smaller margin. Mixed: most showed a clear Clinton win, but at least one scientific poll showed a narrow result or a tie. Mostly false: the scientific polls were split or narrow overall. False: the scientific polls showed Trump winning or no clear winner.

Set before the research began.

Evidence (4)

  1. E1 2016 United States presidential debates - Wikipedia Wikipedia

    “Writing on September 28, FiveThirtyEight found that every scientific poll to that point had suggested that voters thought Hillary Clinton performed better than Donald Trump in the debate.”
  2. E2 Hillary Clinton Won the First Debate by Every Metric New York Magazine (Intelligencer) · 27 September 2016

    “Meanwhile, Public Policy Polling found Clinton winning by a margin of 51 to 40 percent.”
  3. E3 2016 United States presidential debates - Wikipedia Wikipedia

    “A CBS News poll shows that 32% of likely voters say that they thought better of Clinton after watching the debate, but only 10% of voters said that they thought better of Trump afterward.”
  4. E4 Hillary Clinton Won The First Presidential Debate, Polling Finds HuffPost · 28 September 2016

    “By a 27-point margin, 49 percent to 22 percent, Americans who had heard at least something about Monday’s presidential debate said that Clinton did a better job than Trump.”

Reasoning

E1 reports FiveThirtyEight's finding that every scientific poll up to September 28 suggested voters thought Clinton did better in the first debate. E4 shows one post-debate poll with Clinton ahead by 27 points (49–22), which is an emphatic margin. E2 shows Public Policy Polling with Clinton ahead 51–40, an 11-point lead, below the roughly 15-point bar set for "emphatic." E3 uses a "thought better of" question rather than a who-won question, so it does not count toward the criteria. Every scientific poll in the evidence showed Clinton winning, but at least one did so by a smaller margin, which fits "mostly true."

Cite this claim

Nate Silver, “Silver said that all the scientific polls after the first 2016 presidential debate showed Clinton had won by a pretty emphatic margin.” (said 11 October 2016). Verdict: mostly true. Reliability API, claim c_9d43e4d013bf, method 0.1.0+28da144b, dataset release v1.1.2. https://epistacklabs.com/claims/c_9d43e4d013bf

This claim is in dataset release v1.1.2, with the same verdict.

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All of them

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