Announcing the 2016 Cooperative Congressional Election Study

December 18, 2015
Announcing the 2016 Cooperative Congressional Election Study

There is power in numbers. Starting in 2006, a consortium of 39 universities came together to create the Cooperative Congressional Election Study, the first truly large-scale academic survey project aimed at studying the midterm Congressional elections. The study has continued every year since. Our joint efforts have produced national sample surveys in excess of 50,000 respondents in every federal election since. Professors Stephen Ansolabehere of Harvard University and Brian Schaffner of the University of Massachusetts coordinate the CCES and YouGov in Palo Alto, CA, conducts and distributes the surveys.

We invite you to join this unique project for 2016.


We plan a national sample stratified by state and type of district, which permits the optimal study of congressional and state races and state politics, as well as the Presidential election. The 2016 survey will be conducted on the Internet and consist of a 20-minute pre-election wave and a 10-minute post-election wave.


Half of the survey content will be Common Content, administered to all survey respondents, and half of the content will be team content, administered to 1,000 respondents for each team. The CCES Planning Group will design the Common Content. Common Content consists of a battery of questions asked of all respondents to capture commonly asked questions, such as vote choice, as well as a handful of items for which it is uniquely advantageous to have a very large sample. Each team will design its own team content.


The project will deliver a 1,000-person survey covering your team’s content; a Common Content survey that consists of a subset of questions asked of all subjects; and the validated vote for most subjects in the sample, where available. Data will be embargoed for the private use of those participating teams for a term of one year after the delivery of the survey.


The cost of the study is $12,500 for a 1,000-person sample, pending NSF sponsorship of the survey. If we do not receive NSF funding, the cost of a 1,000-person team survey is $17,500. Additional cases can be purchased for $11 per case. To join the study, please contact the project administrator, Liz Salazar ( If you know of other researchers who would like to join this collaboration, please send us their contact information.


The study will be fielded in October and November 2016 (pre- and post-election waves). Survey data will be delivered by March 2017, and data matched to the voter files will be delivered in July 2017.

More information and announcements can be found at

At YouGov, contact Sam Luks for further information about the technical details of the survey itself, For general questions, please contact Liz Salazar at