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Research exploring the development of expertise has mostly adopted linear methods to identify precursors of expertise, assessing statistical differences between groups of isolated variables by way of attaching importance to variables, e.g., deliberate practice hours (Ericsson et al., 1993). However, confining the complex nature of expertise development to linear investigations alone may be overly simplistic. Consequently, to better understand the multidimensional and complex nature of expertise development, we applied (non-linear) pattern recognition analyses to a set of 93 features obtained from a sample of 15 elite (International) and 13 sub-elite (First-class county) cricket spin bowlers. Our study revealed that a subset of 12 developmental features, from a possible 93, discriminated between the elite and sub-elite groups, with very good accuracy. The 12-feature subset forms a holistic development profile, reflecting the elite’s earlier engagement in cricket, greater quantity of domain-specific practice and competition, and superior adaptability to new levels of senior competition. Evidence for the external validity of this new model is offered by its ability to correctly classify data obtained from five unseen spin bowlers with 100% accuracy. After consideration of these quantitative findings, the content of qualitative data provided by the cricketers was subsequently analysed to obtain a deeper understanding of the features that discriminate between the elite and sub-elite groups.
Original languageEnglish
Pages (from-to)92-120
Number of pages29
JournalJournal of Expertise
Volume2
Issue number2
Publication statusPublished - Jun 2019
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