Journal of Intelligence, Volume 12, Issue 9
2024 September - 12 articles
Cover Story: Substantial phenotypic variations in human expertise are observed across domains, with some individuals far more skilled than others. The debate over whether this variability is due to nature or nurture—whether experts are “born” or “made”—remains central in differential psychology. The deliberate practice (DP) theory has been particularly influential in recent expertise research and claims that expertise essentially reflects the accumulated amount of deliberate practice; with sufficient practice, genetic influences on expertise can be circumvented. In other words, a core prediction of the DP theory is that genetic effects on performance decrease as a function of practice. Here, we tested this prediction using music as a model domain to examine a large sample of Swedish twins. View this paper - Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
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