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Formerly the Cooperative Congressional Election Study
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Data Exploration Tools
CES 2020 Data
CCES 2006-2021
CCES Policy Items 2006-2019
CCES 2019 Data/Guide
CCES 2018 Data
CCES 2017 Data/Guide
CCES 2016 Data/Guide
CCES 2010-14 Panel Study
CCES 2015 Data/Guide
CCES 2014 Data/Guide
CCES 2013 Data/Guide
CCES 2010-12 Panel Study
CCES 2012 Data/Guide
CCES 2011 Data/Guide
CCES 2010 Data/Guide
CCES 2009 Data/Guide
CCES 2008 Data/Guide
CCES 2007 Data/Guide
CCES 2006 Data/Guide
PORTL 2005 Data/Guide
Latest News
Call for teams for the 2022 CES
Crunching the Data on American Elections: The Cooperative Congressional Election Study (CCES)
Call for teams for the 2021 CES
Call for Teams for the 2020 CCES
Announcing the 2019 Cooperative Congressional Election Study
Announcing the 2018 Cooperative Congressional Election Study
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Recent Publications
The 2020 CES: Duplicate Respondents and Handling Asian and Hispanic Subsamples
Fuzzy Forests For Feature Selection in High-Dimensional Survey Data: An Application to the 2020 U.S. Presidential Election
Moderates
Difference-in-Differences for Ordinal Outcomes: Application to the Effect of Mass Shootings on Attitudes toward Gun Control
The Seeds of Ideology: Historical Immigration and Political Preferences in the United States
Frontier Culture: The Roots and Persistence of“Rugged Individualism” in the United States
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