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1 reference
Ericsson, Krampe, and Tesch-Römer argue that high-level performance is largely explained by the accumulated effects of deliberate practice: structured activities specifically designed to improve performance, requiring concentration, feedback, error correction, and repeated refinement. Studies of violinists and pianists relate attained performance to retrospective estimates of solitary practice and examine how training is constrained by effort, motivation, and recovery.
The authors distinguish deliberate practice from play, paid work, and mere repetition, and propose that continued improvement requires tasks beyond current reliable performance. They also review evidence across domains and challenge accounts that treat exceptional performance as a direct consequence of fixed innate capacity. The paper does not establish a universal ten-thousand-hour rule, nor does it show that practice alone explains every individual difference. Its retrospective and correlational evidence requires cautious causal interpretation.
Its enduring contribution is a testable framework linking expert achievement to the content, quality, duration, feedback, and developmental organisation of practice rather than to experience counted only in years.
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From sources to a coherent pathway