Learning to detect error in movement timing using physical and observational practice.
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abstract
Three experiments assessed the possibility that a physical practice participant's ability to render appropriate movement timing estimates may be hindered compared to those who merely observed. Results from these experiments revealed that observers and physical practice participants executed and estimated the overall durations of movement sequences similarly and more accurately than those who were not privy to any previous practice. This was true for a case in which (a) the execution demands for the physical practice participant were relatively high when multiple movement sequences were practiced with a consistent relative time structure but different overall durations (Experiment 1) and (b) the execution demands were relatively modest when only a single sequential motor task was learned (Experiment 2). Moreover, this general set of findings remained true for individuals who had previous experience with physical or observational practice, even when timing estimations were made during tests with no execution demands (Experiment 3). Thus, executing a movement sequence does not appear to interfere with the development of a learner's subjective evaluation of overall timing performance. Specifically, these data provided evidence that recognizing error in movement timing can be accomplished via observation, and, more generally, they add to the growing evidence supporting the claim that observational practice is a legitimate method facilitating the acquisition of sequential movement behaviors.
