Deliberate Practice and Performance in Music, Games, Sports, Education, and ProfessionsA Meta-Analysis.
Brooke N. Macnamara (Princeton University), David Z. Hambrick (Michigan State University), Frederick L. Oswald (Rice University).
Published online before print July 1, 2014, doi: 10.1177/0956797614535810 Psychological Science July 1, 2014 0956797614535810