Movement variability in the golf swing has recently been identified as a priority for future research in golf science (e.g., Farrally et al, 2003; Wallace, Kingston, Strangewood, & Kenny, 2008; Williams & Sih, 2002). Although this ubiquitous aspect of golf performance has featured in previous empirical investigations of the golf swing, it has tended to be subordinate and studied as an adjunct to other more conventional research questions. Furthermore, it has been interpreted largely within an information-processing theoretical framework (e.g., Ab-ernethy, Neal, Moran, & Parker, 1990; Neal, Abernethy, Moran, & Parker, 1990) and has typically been treated as an operational measure (e.g., standard deviation) rather than a theoretical construct worthy of research attention in its own right.
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