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2 references
Ericsson reviews evidence that superior performance develops through prolonged engagement in deliberate practice rather than experience, repetition, or innate talent alone. Deliberate practice consists of demanding tasks selected to improve specific aspects of performance, clear goals, informative feedback, opportunities for correction, and repeated refinement just beyond current competence.
It is effortful and is typically supported by teachers, coaches, representations of expert performance, and access to structured training environments. Experts develop specialised mental representations that help them notice relevant patterns, plan, monitor, and adapt their actions. Mere years in a domain do not guarantee improvement because routine performance can become automated without continuing to target weaknesses. The chapter surveys developmental histories and laboratory evidence across domains while recognising constraints from motivation, resources, opportunity, health, and the structure of each field.
Educationally, the argument supports carefully sequenced practice with feedback and reflection, not mechanical drill or the claim that a single hour threshold guarantees expertise.
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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