This is a very nice paper that cuts through some of the issues I have felt (but never really discussed) in learning theory. Two major things. The first is the recognition that interaction theory (and by extension, learning theory), can be viewed from five distinct points of view: the cognitive, the anthropological, the artifacts, the social and the ecological. "Big deal," you may be saying, but the issue that has disturbed me is assumption of the primacy of one over another (think of constructivism, Vygotsky and artifacts, for example). Second, "Affordance, a concept developed by ecological psychologist J. J. Gibson (1979), is now commonly misused in interaction design. As initially defined, it was a relational concept, denoting the possibility of an interaction between an organism with particular characteristics and an artifact with particular characteristics." Exactly right, and again a nagging feeling of unease is removed. Via Mathemagenic.
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