A survey or poll that asks questions to a sample of people to understand public opinion.
Named after George Gallup, an American statistician who pioneered public opinion polling in the 1930s; his methodology became so dominant that his name became synonymous with opinion surveys.
George Gallup didn't invent polling, but he invented the scientific method for it—his techniques were so revolutionary that major newspapers started publishing 'Gallup polls' before elections, essentially creating modern political prediction.
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