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Wikipedia as a data source for political scientists: accuracy and completeness of coverage
Abstract In only 10 years, Wikipedia has risen fromIn only 10 years, Wikipedia has risen from obscurity to become the dominant information source for an entire generation. However, any visitor can edit any page on Wikipedia, which hardly fosters confidence in its accuracy. In this article, I review thousands of Wikipedia articles about candidates, elections, and officeholders to assess both the accuracy and the thoroughness of Wikipedia's coverage. I find that Wikipedia is almost always accurate when a relevant article exists, but errors of omission are extremely frequent. These errors of omission follow a predictable pattern. Wikipedia's political coverage is often very good for recent or prominent topics but is lacking on older or more obscure topics.s lacking on older or more obscure topics.
Added by wikilit team Yes  +
Collected data time dimension Cross-sectional  +
Conclusion I find that Wikipedia is almost always accI find that Wikipedia is almost always accurate when a relevant article exists,but errors of omission are extremely frequent. These errors of omission follow a predictable pattern.Wikipedia’s political coverage is often very good for recent or prominent topics but is lacking on older or more obscure topics." "Applying this method, I find that even for political topics, Wikipedia is generally accurate, although its spotty coverage produces many errors of omission. This first finding begs a follow-up: If omissions are Wikipedia’s biggest problem, which political topics receive the most thorough coverage? I find that Wikipedia is heavily skewed toward recent, prominent political topics and provides extremely poor coverage of events that occurred prior to its 2001 creation. Finally, I find that individual politicians receive better coverage if they are technologically savvy enough to edit their own profiles.y savvy enough to edit their own profiles.
Data source Wikipedia pages  +
Doi 10.1017/S1049096511000199 +
Google scholar url http://scholar.google.com/scholar?ie=UTF-8&q=%22Wikipedia%2Bas%2Ba%2Bdata%2Bsource%2Bfor%2Bpolitical%2Bscientists%3A%2Baccuracy%2Band%2Bcompleteness%2Bof%2Bcoverage%22  +
Has author Adam R. Brown +
Has domain Information science + , Political science +
Has topic Comprehensiveness + , Reliability +
Issue 2  +
Month April  +
Pages 339-343  +
Peer reviewed Yes  +
Publication type Journal article  +
Published in PS: Political Science & Politics +
Research design Content analysis  +
Research questions I review thousands of Wikipedia articles about candidates, elections, and office holders to assess both the accuracy and the thoroughness of Wikipedia’s coverage.
Revid 11,091  +
Theories N/A
Theory type Analysis  +
Title Wikipedia as a data source for political scientists: accuracy and completeness of coverage
Unit of analysis Article  +
Url http://adambrown.info/docs/research/brown-2011-wikipedia-as-a-data-source.pdf  +
Volume 44  +
Wikipedia coverage Main topic  +
Wikipedia data extraction Live Wikipedia  +
Wikipedia language English  +
Wikipedia page type Article  +
Year 2011  +
Creation dateThis property is a special property in this wiki. 1 August 2013 17:57:47  +
Categories Comprehensiveness  + , Reliability  + , Information science  + , Political science  + , Publications with missing comments  + , Publications  +
Modification dateThis property is a special property in this wiki. 30 January 2014 20:32:59  +
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