The Cooperative Election Study (abbreviated CES) (formerly the Cooperative Congressional Election Study, abbreviated CCES) is a national online survey conducted before and after United States presidential and midterm elections. Originally designed by Stephen Ansolabehere of

Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...

, it was originally fielded in 2006 by the

Palo Alto Palo Alto ( ; Spanish language, Spanish for ) is a charter city in northwestern Santa Clara County, California, United States, in the San Francisco Bay Area, named after a Sequoia sempervirens, coastal redwood tree known as El Palo Alto. Th ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

-based company Polimetrix, Inc., with help from 39 different American universities. Its original goal was to survey voters in the 2006 midterm elections. When it was begun, it was the largest survey of Congressional elections ever, with over 36,500 participants in its first wave alone.

Methodology

The pre-election phase of the CES involves administering the first two-thirds of the questionnaire from late September to late October. The post-election phase involves administering the remaining one-third of the survey in November, most of which pertains to the election that had just happened.

References

External links

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Elections, Public Opinion, and Voting Behavior
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The 2008 Cooperative Campaign Analysis Project (CCAP)
{{US-politics-stub Surveys (human research)