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2008 Pollster Report Card Through Super Tuesday — Includes All Pollsters

SurveyUSA Breaking News - 02/06/08 12:52 PM

38 polling firms have polled one or more of the 36 Presidential Primaries and Caucuses to date in 2008. Here’s how the pollsters stack-up, ranked from smallest average error to largest average error (where smaller error is better, and zero is perfect).

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Complete supporting detail, and caveats, on the jump …

Not all 38 pollsters polled on the same contests or on the same number of contests. Some contests may have been harder to poll than others.

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All information drawn from http://www.realclearpolitics.com/ , from http://www.pollster.com/ and, if disagreement on those two sites, from individual polling firm’s website. No polls or polling firms ere intentionally omitted.

Double-click on the following detailed table if you need to enlarge it to read it.

For a complete discussion of the different ways that election poll accuracy can be measured, including a summary of all 8 known measures, see this paper presented at the 2006 conference of the American Association for Public Opinion Research.

Super Tuesday election returns accurate as of 10 am ET on 02/06/08. In a couple of states, 100% of precincts had not yet reported.

Any errors in this table, or omissions from this table, should be reported to editor@surveyusa.com.

Update: PPP data corrected 020608 5:35 pm ET.

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