5:04

S03:E03 Oct 13, 2026

How Much Does Deliberate Practice Really Matter?

Deliberate practice matters—but how much does it explain? Following our two episodes on Ericsson, Krampe, and Tesch-Römer’s influential 1993 paper, we explore Macnamara, Hambrick, and Oswald’s 2014 meta-analysis of deliberate practice and performance. Across 88 studies involving 11,135 participants, the researchers found that deliberate practice was an important predictor of performance. For musicians, it explained 21% of the variation in performance between individuals. The remaining 79% was not explained by deliberate practice in this analysis; it should not be interpreted as a measure of talent. In this episode, we discuss why the relationship was stronger in more predictable activities, how retrospective practice estimates introduce uncertainty, and why differences in the definition and measurement of deliberate practice matter. Practice matters. It does not explain everything. Keep Singing Smart. References Ericsson, K. A., Krampe, R. T., & Tesch-Römer, C. (1993). The role of deliberate practice in the acquisition of expert performance. Psychological Review, 100, 363–406. https://doi.org/10.1037/0033-295X.100.3.363 Macnamara, B. N., Hambrick, D. Z., & Oswald, F. L. (2014). Deliberate practice and performance in music, games, sports, education, and professions: A meta-analysis. Psychological Science, 25, 1608–1618. https://doi.org/10.1177/0956797614535810

4:48

S03:E02 Oct 6, 2026

The 10,000 Hour Rule Is a Myth, Part 2: Does Deliberate Practice Create Experts?

In Part 2 of our exploration of Ericsson, Krampe, and Tesch-Römer’s landmark 1993 paper, we turn to Study 2 and its comparison of expert and amateur pianists. The experts practiced more and performed better on piano-related tasks. But their advantage did not extend to general reaction-time and cognitive-motor tests. That distinction helps us understand what years of practice may develop—and what these studies can actually establish. In this episode, we explore: The 5.2-hour overestimate: Both expert and amateur pianists overestimated their weekly practice compared with their practice diaries. 7,606 versus 1,606 hours: Estimated cumulative practice by age 18 differed substantially between experts and amateurs. These were group averages, not a universal threshold for expertise. Task-specific advantages: The experts’ stronger performance appeared in skills related to piano practice, rather than a general motor advantage. Starting early and catching up: Earlier starts create more time to accumulate practice. Closing that gap becomes difficult when experienced performers continue practicing too. Expertise as something acquired: We examine the authors’ argument that extended deliberate practice can explain abilities often attributed to innate talent, including their discussion of physical adaptation and perfect pitch. The causality caveat: A strong relationship between practice and performance does not establish that practice alone caused the observed differences. Starting later does not put improvement out of reach. The authors’ model allows for substantial gains when deliberate practice begins, while recognizing the demands of closing a large accumulated practice gap. Next, we’ll continue this series with more contemporary research and responses to the original paper. Until next time, Keep Singing Smart. Referenced research Ericsson, K. A., Krampe, R. T., & Tesch-Römer, C. (1993). The role of deliberate practice in the acquisition of expert performance. Psychological Review, 100(3), 363–406. Read the paper via its DOI.

5:25

S03:E01 Sep 29, 2026

The 10,000 Hour Rule Is a Myth, Part 1: What Ericsson Actually Found

The Voice Science Podcast is back, and we’re kicking off the new season by dismantling one of the most repeated ideas in learning theory. The 10,000-hour rule is everywhere. And it’s a misreading of the original research. In part one of this two-part series, we go back to the source: the 1993 Ericsson, Krampe, and Tesch-Römer paper that started it all. The real finding wasn’t a magic number. It was that the most accomplished violinists had accumulated substantially more highly relevant, effortful practice over the course of their development, and that the quality and structure of that practice mattered as much as the quantity. This episode breaks down what deliberate practice actually is, how three groups of university violinists differed in their practice habits and cumulative hours, and why the 10,000-hour figure has been so thoroughly misunderstood. Part two looks at a wider range of skills and ages through the lens of amateur to expert pianists. Sources: Ericsson, K.A., Krampe, R.T., Tesch-Römer, C., 1993. The role of deliberate practice in the acquisition of expert performance. Psychological Review 100, 363–406. https://doi.org/10.1037/0033-295X.100.3.363 Gebrian, M., 2024. Learn Faster, Perform Better: A Musician’s Guide to the Neuroscience of Practicing, 1st ed. Oxford University Press, Incorporated, Oxford. voicescience.org