Hi!
We have on pl wiki new sandbox/introduction/tutorial - with tests for newbies:
http://pl.wikipedia.org/wiki/Wikipedia:Wst%C4%99p
and with "MediaWiki mascot" :)
Tests used Editnotice template:
http://pl.wikipedia.org/w/index.php?title=Wikipedia:Testuj_wiki&action=e...
Part I - 6 steps - show how to edit wiki, Part II - next 6 steps show (and check knowledge about) main guidelines. Part III - we think about... ;)
Since start > 500 testers:
http://vs.aka-online.de/cgi-bin/wppagehiststat.pl?lang=pl.wikipedia&page...
and probably more readers:
http://stats.grok.se/pl/200911/Wikipedia%3ATest%20znajomo%C5%9Bci%20zasad
best regards
przykuta