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- W2166314735 abstract "With the increasing popularity of the Internet, information technology is changing the way we interact, entertain, communicate and consume. Concurrently, traditional social forums, such as the League of Women Voters, the United Way, or the monthly bridge club, have seen a decrease (Putnam 2000). Supporting thousands of online communities, the Internet poses an opportunity to create new social capital to replace what is lost by the decline of bowling leagues and fraternal societies. In online communities, groups of people meet to share information, discuss mutual interests, play games and carry out business. Users of communities such as SourceForge (http://sourceforge.net/) and Wikipedia (http://www.wikipedia.org/) contribute information goods, which are typically shared as public goods. However, despite the popularity of online communities, many such communities fail due to nonparticipation and under-contribution. For example, Butler (2001) found that 50% of social, hobby, and work mailing lists had no tra‐c over a 122 day period. Undercontribution is a problem even in active and successful online communities. For example, in MovieLens (http://www.movielens.org), an online movie recommendation website that invites users to rate movies and, in return, makes personalized recommendations and predictions for movies the user has not already rated, under-contribution is common. More than 22% of the movies listed on the site have fewer than 40 ratings, so few that the software cannot make accurate predictions about which users would like these movies (Cosley, Ludford" @default.
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- W2166314735 date "2007-01-01" @default.
- W2166314735 modified "2023-09-28" @default.
- W2166314735 title "Social Comparisons and Contributions to Online Communities: A Field Experiment on MovieLens" @default.
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