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Probing expert anticipation with the temporal occlusion paradigm: experimental investigations of some methodological issues
journal contributionposted on 20.07.2016, 11:21 by Damian Farrow, Bruce Abernethy, Robin Jackson
Two experiments were conducted to examine whether the conclusions drawn regarding the timing of anticipatory information pick-up from temporal occlusion studies are influenced by whether (a) the viewing period is of variable or fixed duration and (b) the task is a laboratory-based one with simple responses or a natural one requiring a coupled, interceptive movement response. Skilled and novice tennis players either made pencil-and-paper predictions of service direction (Experiment 1) or attempted to hit return strokes (Experiment 2) to tennis serves while their vision was temporally occluded in either a traditional progressive mode (where more information was revealed in each subsequent occlusion condition) or a moving window mode (where the visual display was only available for a fixed duration with this window shifted to different phases of the service action). Conclusions regarding the timing of information pick-up were generally consistent across display mode and across task setting lending support to the veracity and generalisability of findings regarding perceptual expertise in existing laboratory-based progressive temporal occlusion studies.
Appreciation is expressed to the Australian Sports Commission, and in particular to the Australian Institute of Sport Tennis program, for the funding of Experiment 2.
- Sport, Exercise and Health Sciences