Matches in DBpedia 2015-10 for { ?s ?p "In the United States, presidential job approval ratings were introduced by George Gallup in the late 1930s (probably 1937) to gauge public support for the President of the United States during his term. An approval rating is a percentage determined by a polling which indicates the percentage of respondents to an opinion poll who approve of a particular person or program."@en }
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- United_States_presidential_approval_rating comment "In the United States, presidential job approval ratings were introduced by George Gallup in the late 1930s (probably 1937) to gauge public support for the President of the United States during his term. An approval rating is a percentage determined by a polling which indicates the percentage of respondents to an opinion poll who approve of a particular person or program.".