More aggregation fun
George Siemens,
elearnspace,
Sept 04, 2009
![](http://www.elearnspace.org/blog/wp-content/uploads/2009/09/wtm-schematic.png)
In case you were wondering... in OLDaily, you are reading at level 4 (that is, if I don't presume too much when I suggests that this is a source you trust)... (Oh, and Siemens says "The model emphasizes the role of curators (slightly related: curatorial teaching) in support of aggregation." But no. There are no curators here. There are multiple instances of level 3, multiple instances of level 4, and (significantly) they are self-selecting, not
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