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Revisiting Adjusted ADA Scores for the U.S. Congress, 1947–2007

  • Sarah Anderson (a1) and Philip Habel (a2)

This paper replicates and extends Groseclose, Levitt, and Snyder, “Comparing Interest Group Scores Across Time and Chambers: Adjusted ADA Scores for the U.S. Congress,” which appeared in the American Political Science Review (1999/93:33–50). We replicate the most recent unpublished extension by Dr. Groseclose and research assistants for years 1947–1999, and then we extend the analysis to include years 2000 through 2007. We make available inflation-adjusted ADA scores from 1947 through 2007, allowing scholars to incorporate the most recent interest group scores into their analyses.

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Barry Burden , Gregory Caldiera , and Timothy Groseclose . 2000. “Measuring the ideologies of U.S. senators: The song remains the same”. Legislative Studies Quarterly 25: 237–58.

Daniel M. Butler , and Matthew J. Butler 2006. “Splitting the difference: Causal inference and theories of splitparty delegations”. Political Analysis 14: 439–55.

William R. Shaffer 1982. “Party and ideology in the U.S. house of representatives”. Western Political Quarterly 35: 92106.

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Political Analysis
  • ISSN: 1047-1987
  • EISSN: 1476-4989
  • URL: /core/journals/political-analysis
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