Friday, July 01, 2005

Situating the Zone of Proximal Development - George E. Marsh II and John J. Ketterer, Online Journal of Distance Learning Administration. Social constructivist theory has advanced the notion that distance education is inferior, because effective learning is thought to require immersion in a cognitive apprenticeship under the guidance of a mentor. Effective learning is said to be situated in [Online Learning Update] 10:13:48 PM      Google It!.

More del.icio.us collaborative filtering. When I reran my del.icio.us collaborative filter last night, I forgot to limit the degree of personal affinity. So I wound up checking all of the 6789 folks with whom I share common bookmarks -- that's a few hundred more than a week ago. ("Please wait AT LEAST ONE SECOND between queries," the API documentation says; my script does so.) The group included the minority on the steep part of this curve, with whom I share dozens of common links, plus the majority with whom I share just one link, plus everyone in between. ... [Jon's Radio] 9:34:21 AM      Google It!.