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Guess the real numbers behind surveys and polling, see how everyone else guessed, and get the source.

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About how many people did the Literary Digest survey before wrongly predicting the 1936 US election?

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about 60–70%

One study found surveys with a response rate near 20% were about as accurate as surveys with a response rate near what higher figure?

This counterintuitive finding suggests a much higher response rate doesn't always mean a more accurate survey.

Source: Wikipedia - Response rate (survey) (2024) en.wikipedia.org

1938

In what year did researcher Paul Lazarsfeld develop the 'panel' survey method still used today?

Panel surveys ask the same group of people the same questions repeatedly over time to track how opinions change.

Source: Wikipedia - Sampling (statistics) (2024) en.wikipedia.org

1786

In what year did mathematician Pierre-Simon Laplace estimate France's population using a sample?

This is considered one of the earliest documented uses of scientific sampling, long before modern polling existed.

Source: Wikipedia - Sampling (statistics) (2024) en.wikipedia.org

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Each question asks you to guess a real number about surveys, polling, and public opinion research. After you answer you see how everyone else guessed, then the real figure and where it comes from.

How is the daily round scored?

Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.

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Every stat links to its source, such as government statistics agencies, research organizations and industry groups. Figures are checked against the source before they go live.

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