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Welcome to the 2006-2010 Congressional Election Study

The data collection for this project is now complete. Thanks to the many individuals throughout the country who responded to our invitation to participate as district expert observers in their congressional districts. Your responses are an essential part of this study; I am most grateful for the care you took in responding to our survey.

Two "reports to respondents" are available below: a report summarizing some of our results from Phase I (summer, 2009) and one from Phase II (the campaign study from October, 2010). These reports are meant to provide a non-technical summary of some of the findings from the study so far.

Several scholarly papers from the 2006 study and from a related earlier study on the 1998 elections are also available for those who would like to learn more about how we present our findings to academic audiences. As we publish scholarly papers from the 2010 project (it takes awhile – academic publishing is a long process), we will post them here as well.

I would like to thank the Division of Social Science at UC Davis for the support necessary to conduct the 2006 data collection. The 2009 and 2010 phases of the study were supported by a grant from the National Science Foundation (SES-0852387).

Walter J. Stone
Professor of Political Science
Director, 2010 Congressional Election Study


Reports to Respondents

Phase I 2010
Phase II 2010


Academic Research

Maestas, Cherie D., Buttice, Matthew K., Stone, Walter J. 2013. "Online Appendices for: Extracting Wisdom from Experts and Small Crowds: Strategies for Improving Informant-based Measures of Political Concepts."

Buttice, Matthew K. and Walter J. Stone. 2012. "Candidates Matter: Policy and Quality Differences in Congressional Elections." Journal of Politics 74(3): 870-887.

Adams, James, Samuel Merrill III, Elizabeth N. Simas and Walter J. Stone. 2011. "When Candidates Value Good Character: A Spatial Model with Applications to Congressional Elections." Journal of Politics 73(1): 17-30.

Stone, Walter J. and Elizabeth N. Simas. 2010. "Candidate Valence and Ideological Positions in U.S. House Elections." American Journal of Political Science 54(2): 371-388.

Stone, Walter J., Sarah A. Fulton, Cherie D. Maestas and L. Sandy Maisel. 2010. "Incumbency Reconsidered: Prospects, Strategic Retirement, and Incumbent Quality in U.S. House Elections." Journal of Politics 72(1): 178-190.

Stone, Walter J., L. Sandy Maisel and Cherie D. Maestas. 2004. "Quality Counts: Extending the Strategic Politician Model of Incumbent Deterrence." American Journal of Political Science 48(3): 479-495.

Buttice, Matthew K. 2011. "Testing Models of Spatial Voting in Congressional Elections using Expert Data." Poster presented at the Society for Political Methodology Summer Meeting.

2006 Study

Expert Informant Data

Registered Voter Data

District Data


2010 Study

2009 Expert Mail Survey Questionnaire

2009 Expert Online Survey Screen Shots

2010 Expert Mail Survey Questionnaire

2010 Expert Online Survey Screen Shots

Replication Material for Published Work

Joesten, Danielle A. and Walter J. Stone. 2014. "Reassessing Proximity Voting: Expertise, Party and Choice in Congressional Elections." Journal of Politics. In Press.

Department of Political Science

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