Just out of interest, if the maximum value is 5, and (for example) the "neutral" mean is 3.6, how can the standard deviation be 1.82? Wouldn't that allow values up to 5.42?
If that's an effect of extreme skewing, maybe the median would be better suited to give a "common" value? Cheers, Magnus On Thu, Sep 30, 2010 at 12:50 AM, Howie Fung <[email protected]> wrote: > Everyone, > > As some of you may know, we launched an experimental Article Feedback > feature as part of the Public Policy Initiative last week. The "Article > Feedback Tool" enables readers to quickly assessthe sourcing, completeness, > neutrality, and readability of a Wikipedia article on a five-point scale. > It is currently deployed on about 300 articles [1] in the area of Public > Policy on the English Wikipedia. More details may be found on the blog post > [2] as well as the post on Foundation-l [3]. > > We've been capturing the ratings data and have some early analysis to share > around the types of ratings users are providing. There are some interesting > differences between anonymous and registered users: > > http://www.mediawiki.org/wiki/Article_feedback/Public_Policy_Pilot/Early_Data > > The dump of the article-level data is also available [4] for those who are > interested. > > If anyone would like to be involved in the ongoing research and evaluation > of this tool, please sign up on the Article Feedback Workgroup page. [5] > > Howie > > [1] http://en.wikipedia.org/wiki/Category:Article_Feedback_Pilot > [2] > http://blog.wikimedia.org/blog/2010/09/22/article-feedback-pilot-goes-live/ > [3] > http://lists.wikimedia.org/pipermail/foundation-l/2010-September/061056.html > [4] > https://spreadsheets.google.com/ccc?key=0Aikdcg5HdSKbdFRhdUN1Rm1iZzB5dUdMUlY4YzAwNmc&hl=en#gid=0 > [5] > http://www.mediawiki.org/wiki/Article_feedback/Public_Policy_Pilot/Workgroup > > _______________________________________________ > Wiki-research-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wiki-research-l > > _______________________________________________ Wiki-research-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wiki-research-l
