Research:How does the user interface affect editor work?

This question set is among the high level research priorities for the Wikimedia Summer of Research 2011. The full list is here, and this is categorized as "RQ6".


(RQ6.1) How has markup complexity changed over time?

(RQ6.2) Did the drop in retention correlate with an increase in the introduction of complex markup (<ref>s, inline templates, etc.)?

(RQ6.3) Do articles which include complex markup receive fewer edits by 0-9 or 0-100 editors?

(RQ6.4) How have add-ons (Huggle, Twinkle), extensions (LiquidThreads, AbuseFilter), and other features of the MediaWiki platform (watchlist) affected...