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Re: [Phys-L] abstractions



I located the video interviews of students:
http://digitalcommons.unl.edu/adaptworkshopmodule4/2/

Click on doors.mp4 to view the full video. It reveals how students reasoned
back in the 1975 when the program was in full swing. Since the 70s student
thinking skills have decreased according to the survey by Michael Shayer.

John M. Clement
Houston, TX