On deliberate practice:
http://en.wikipedia.org/wiki/Practice_%28learning_method%29#Deliberate_practice
http://www.gwern.net/docs/1993-ericsson-deliberatepractice.pdf
http://dl.dropbox.com/u/5317066/cambridge-expertise.pdf
On deliberate practice:
http://en.wikipedia.org/wiki/Practice_%28learning_method%29#Deliberate_practice
http://www.gwern.net/docs/1993-ericsson-deliberatepractice.pdf
http://dl.dropbox.com/u/5317066/cambridge-expertise.pdf