One of the big articles in the field is by K. Anders Ericsson and Neil Charness. It is titled "Expert Performance - Its Structure and Acquisition." You can find a copy at:
Alternately, you could read "Deliberate Practice and Acquisition of Expert Performance: An overview". It is also by Ericsson and you can find a copy here:
http://stuff.mit.edu/afs/athena.mit.edu/course/6/6.055/readi...
Alternately, you could read "Deliberate Practice and Acquisition of Expert Performance: An overview". It is also by Ericsson and you can find a copy here:
http://www.cogsci.rpi.edu/~vekslv/classes/cogeng2010/lecture...