> Radia Perlman in the 70s when at student at MIT did extensive experiments > with preliterate children and the LOGO turtle and built a number of > interfaces for them. She also spent some time at Xerox PARC where we > duplicated her interfaces and did many similar experiments with chldren 3 > years on up.
thanks, found : http://www.formatex.org/micte2006/virtual/pdf/582.pdf see fig 3 with plastic cards showing visual images of turtle commands http://www.formatex.org/micte2006/virtual/ppt/582.ppt similar image http://logothings.wikispaces.com/ towards the end, photo of Radia Perlman's Button Box for Pre-Schoolers http://alumni.media.mit.edu/~mcnerney/personal-ubicomp.pdf more discussion than the above _______________________________________________ IAEP -- It's An Education Project (not a laptop project!) [email protected] http://lists.sugarlabs.org/listinfo/iaep
