Psephology is the study of results and other statistics relating to elections (especially with a view to predicting future results)... When elections are called, politicians and their supporters attempt to influence policy by competing directly for the votes of constituents in what are called campaigns. Supporters for a campaign can be either formally organized or loosely affiliated, and frequently utilize campaign advertising. It is common for political scientists to attempt to predict elections via Political Forecasting methods. Election, Wikipedia.

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