Another argument for the importance of practice (although Allen Iverson might disagree http://www.youtube.com/watch?v=eGDBR2L5kzI) - it's not just for students. The article notes that practicing something beforehand with a colleague reduces anxiety, and most importantly, yields results.
http://www.nytimes.com/2012/11/25/jobs/in-the-workplace-practice-puts-perfection-in-reach.html?hpw
As a follow-up, an interesting post from Freakonomics with links to relevant pieces on 'deliberate practice'.
http://www.freakonomics.com/2011/05/04/deliberate-practice-how-education-fails-to-produce-expertise/
