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        <titl xml:lang="en">Time Series Data on U.S. Presidents' Popularity, 1945-1974</titl>
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        <AuthEnty xml:lang="en">Kernell, S., University of California (San Diego), Department of Political Science
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      <abstract xml:lang="en">&lt;P&gt;Abstract copyright UK Data Service and data collection copyright owner.&lt;/P&gt;</abstract><abstract xml:lang="en">To analyse time-series data (compiled from the American Institute of Public Opinion) on approval of the President's performance and relate popularity to such national conditions as the economy, war, and scandal, to the changes.</abstract><abstract xml:lang="en">&lt;B&gt;Main Topics&lt;/B&gt;:&lt;BR&gt;</abstract><abstract xml:lang="en">Variables&lt;br&gt; Year, month, % who approve of the President's performance, % who hold a favourable opinion on the President's party in the next congressional elections, % Independents/Democrats/Republicans who approve the President's performance.</abstract>
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        Kernell, S. (1978) 'Explaining presidential popularity: How ad hoc theorizing, misplaced emphasis, and insufficient care in measuring one's variables refuted common sense and led conventional wisdom down the path of anomalies'&lt;i&gt;&lt;/i&gt;, American Political Science Review, 506-522
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