State Ideology Data

 The links on this page provide data and documentation related to the state citizen and government ideology measures originally reported in:

William D. Berry, Evan J. Ringquist, Richard C. Fording, Russell L. Hanson. 1998.   Measuring Citizen and Government Ideology in the American States, 1960-93.  American Journal of Political Science, Vol. 42, No. 1 (Jan.), pp. 327-348.

Updated Measures of Citizen and Government Ideology

(Last Updated 06/18/2018)*

• Updated Citizen Ideology (1960-2016) and Government Ideology (1960-2017)
• Documentation (download)
• Data: (Stata format  Excel format)

Our Exchange with Enns and Koch

• Our exchange with Peter Enns and Julianna Koch, published in State Politics and Policy Quarterly:
  • “Assessing the Validity of Enns and Koch’s Measure of State Policy Mood. (Berry, Ringquist, Fording, Hanson)”
  • “State Policy Mood: The Importance of Over-time Dynamics.” (Enns and Koch)
  • Unpublished response to Enns and Koch’s rejoinder: “A Reply to Enns and Koch’s ‘State Policy Mood: The Importance of Over-Time Dynamics.’ ” (Berry, Fording and Hanson)

Replication Data from Previous Publications

Nominate Version of State Government Ideology, 1960-2004  (From 2010 SPPQ Article)

• Documentation (download); Data download: (Stata file)
• Our response to Shor and McCarty’s 2011 article in the American Political Science Review (Published in State Politics and Policy Quarterly):  “A New Measure of State Government Ideology, and New Evidence that an Old Measure Performs Well.”

Data & Documentation for Original Measures of Citizen and Gov’t Ideology (1960-93):

•  Original Citizen and Government Ideology Measures, 1960-1993 (download)
• Unpublished Supplement to 1998 AJPS article (download)
• Replication dataset and documentation for citizen and government ideology measures reported in 1998 AJPS article (download)
• Data and documentation necessary to replicate analyses presented in Table 1 of the AJPS article (download)

*For information concerning previously released updates of the citizen and government ideology scores (including data requests), please contact Richard Fording, University of Alabama.