Hi Andreea, I think you might encounter some problems here. Firstly, the data on the ratings themselves should still be there in the history of the article talkpages, but there can be a sizable delay between an article being expanded and it being rerated.
My expectation would be that if you looked at when an article received the rating it had in 2008, then looked at the first rerating after 2008, then looked at how much the article changed between those two ratings, you will find that for many articles that have been rerated the 2008 version is closer to the one that was subsequently rerated than it is to the one that earned the rating that applied in 2008. The other problem is that quality assessments are not necessarily frozen in time, for example with Featured articles there is a whole process for delisting them as Featured, rarely because they have degraded with time, often they have improved since they became featured, but if they haven't improved as fast as the standards have risen then they are likely to lose their featured status. Regards WereSpielChequers On 7 February 2012 20:27, Gorbatai, Andreea <[email protected]> wrote: > Hi – **** > > ** ** > > Do you happen to have data on English Wikipedia article quality around > mid-late 2008? I need the article name and the quality rating (by one > WikiProject or more), I have some data on this from 2009 and I would like > to get a sense how fast article quality evolves.**** > > ** ** > > Thank you very much!**** > > ** ** > > Best,**** > > Andreea**** > > *____________________________________________________________***** > > *Andreea D. Gorbatai **|* Doctoral Candidate **** > > PhD Program in Organizational Behavior/Sociology **** > > **Harvard** **Business** **School/** ****Harvard** **Graduate** **School** > ** of Arts & Sciences**** > > ** ** > > _______________________________________________ > Wiki-research-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wiki-research-l > >
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