Colvin, a Fortune editor, argues that specific innate talent does not explain elite performance and that deliberate practice does. He surveys the research, principally Anders Ericsson's, and applies it to business rather than to the music and sport contexts where it was developed. His attack on the talent explanation covers the absence of evidence for domain-specific innate ability, the finding that childhood indicators do not predict elite adult performance well, and the study of Mozart's early work showing that the compositions before roughly ten years of training were not exceptional.
His account of deliberate practice specifies what distinguishes it from ordinary repetition: it is designed specifically to improve performance, frequently by a teacher; it can be repeated a great deal; feedback on results is continuously available; it is highly demanding mentally and cannot be sustained for long periods; and it is not enjoyable. He is explicit that this last property explains why most people do not do it.
The business application is the book's contribution. Colvin argues that most professional work provides no feedback loop, that experience therefore does not produce improvement, and that a professional wanting to improve must construct the practice conditions themselves, including defining specific aspects to work on, seeking feedback that would not otherwise arrive, and practising components separately from actual performance.
The research base has weakened since publication, with meta-analyses finding that deliberate practice accounts for a smaller share of performance variance than Ericsson claimed, particularly outside highly structured domains. The construction of practice conditions in unstructured professional work remains the useful part.
Professionals in unstructured fields who want to construct practice conditions their work does not supply, with the effect sizes treated as overstated.
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