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Supreme Court Oral Advocacy: Does It Affect The Justices Decisions?, James F. Spriggs, Timothy R. Johnson, Wahlbeck J. Wahlbeck

James F. Spriggs II

Using newly discovered archival data, we test hypotheses that focus on whether the oral argument phase of the Supreme Court’s decision making process affects how justices view and, ultimately decide, cases they hear on the merits. Specifically, we utilize the oral argument notes taken by Justice Harry Blackmun while he sat on the bench to test three general hypotheses. First, we examine the determinants of quality oral argumentation, hypothesizing and showing that conventional indicators of lawyer experience and resource endowments correlate highly with how well an attorney does at orals. Second, we hypothesize that the quality of attorneys’ oral argumentation …