William Byrd. Jan 16, 2015
25:00 20 to 30 minutes of lecture, essentially wasted
37:00 convincing potential Scratch teachers and students: “you’re doing computer science (even though there are more interesting things to do with Scratch)”
47:00 Computational Thinking (Andrea A. diSessa, http://gse.berkeley.edu/people/andrea-disessa, 2000): before algebra, our expressive power in science and engineering was limited. We had language and words, but none as expressive as algebra. Programming offers that additional … in expressing ideas.
the new literacy is computer programming
trajectory of expressing ideas: language -> written language -> algebra -> computer literacy (programming)
diSessa, A. A., Hoyles, C., Noss, R., with Edwards, L. (1995). Computers and Exploratory Learning.
Berlin: Springer Verlag. Edited Volume.
diSessa, A. A. (2000). Changing Minds: Computers, Learning, and Literacy. Cambridge, MA: MIT
diSessa, A. A., Levin, M., & Brown, N. (edited volume, to appear in 2015). Knowledge and
Interaction: A synthetic agenda for the learning sciences. New York, New York: Routledge.