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The Effect of Number of Terms on the Re-election of Senators 1920-1970

THIS STUDY EXPLORES the relationship between the number of terms served and the electoral success of U. S. senators during the halfcentury 1920-70. Two contrary pattems describing the terms/success relationship have been reported in the literature.' Since each of these prior studies used data covering a different single decade in the postwar period, it seems especially valuable to attempt to resolve their disparate findings by employing data encompassing virtually the entire period of constitutionally mandated popular election of senators.2 The present paper first summarizes the two