paper · K. Anders Ericsson · tradition:
expertise-research
Ericsson, Krampe & Tesch-Römer, Psychological Review 100(3). Expert violinists’ practice logs: about four hours a day of effortful practice was the sustainable ceiling; more led to exhaustion. The source of both Ch 3’s focused-hours figure and, via Gladwell, the ‘10,000 hours’ slogan.
The book’s stance. cited in Ch 3 for the focused-hours ceiling; the compression of this paper into ‘10,000 hours’ is itself a worked example of the book’s pipeline.
Availability. Cited by reference; no local copy held in the repo.