Experts: G.od, 10 000 hours of practice, IQ or something else?

http://ac.els-cdn.com/S0160289614000087/1-s2.0-S0160289614000087-main.pdf?

http://graphics8.nytimes.com/images/blogs/freakonomics/pdf/DeliberatePractice%28PsychologicalReview%29.pdf

http://www.fastcodesign.com/3027564/asides/scientists-debunk-the-myth-that-10000-hours-of-practice-makes-you-an-expert?partner=newsletter