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[xmca] leading activity related question
Thanks for the paper, Mike. You made the point that educators conflated zopeds with scaffolding back then in 1984 and I still see that happening today.
But more importantly, you use the phrase "activity structures" rather than "activity systems" in the section on work activity. I know how YE defines the latter an your use of "structures" indicates a difference, perhaps like how Lemke defined activity structures in his early work -- would you comment on your view of the contrast between structures and systems?
William Barowy, Ph. D.
29 Everett Street,
Cambridge, MA 02138-2790
"I am always doing that which I cannot do, in order that I may learn how to do it."
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