Talk:Visible learning
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Contested deletion
[edit]This page is not unambiguously promotional, because Visible Learning is a widely and controversely discussed concept in the world of educational research, evidence based teaching, school development and school administration. You should delete OECD's PISA study, TIMSS or PEARLS too, otherwise. I was just about starting this article and wasn't even able to put in the ISBN number of the book reference, before someone deleted it. I won't contribute to Wikipedia any longer if it has become soooo complicated to edit content. I'll spend some more minutes and some more energy on this page but only when I can be sure it's not deleted every time I adjust the information. --Toovaloo (talk) 17:13, 28 March 2013 (UTC)