Effects of manipulating relative and absolute motion information during observational learning of an aiming task

AL-ABOOD, S, DAVIDS, K, BENNETT, S, ASHFORD, D and MARIN, M M (2001). Effects of manipulating relative and absolute motion information during observational learning of an aiming task. Journal of Sports Sciences, 19 (7), 507-520.

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Official URL: http://www.tandf.co.uk/journals/RJSP
Link to published version:: https://doi.org/10.1080/026404101750238962
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    Abstract

    In the visual perception perspective of observational learning, the manipulation of relative and absolute motion information in visual demonstrations optimally directs learners' search towards appropriate task solutions. We assessed the effect of emphasizing transformational information and removal of structural information using point-light kinematic displays in approximating the model's relative motion patterns. Participants viewed computer-simulated point-light demonstrations or normal video demonstrations before and intermittently throughout 100 acquisition trials with knowledge of results on an underarm modified-dart aiming task. On the next day, all participants performed 20 retention trials without demonstrations. The kinematics of spatial and temporal coordination and control variables were examined relative to the model's action, as well as performance scores. The results indicated that approximation of the model's spatial and temporal coordination and control patterns was achieved after observation of either type of demonstrations. No differences were found in movement outcomes. In a second experiment, the effects of manipulating absolute motion information by slowmotion demonstrations were examined relative to real-time demonstrations. Real-time demonstrations led to a closer approximation to the model's spatial and temporal coordination patterns and better outcome scores, contradicting predictions that slow-motion displays convey intact relative motion information. We speculate that the effect of visual demonstration speed on action perception and reproduction is a function of task constraints - that is, novelty or familiarity of relative motion of demonstrated activities.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Centre for Sports Engineering Research
    Identification Number: https://doi.org/10.1080/026404101750238962
    Page Range: 507-520
    Depositing User: Carole Harris
    Date Deposited: 04 Apr 2011 09:16
    Last Modified: 19 Mar 2021 00:45
    URI: http://shura.shu.ac.uk/id/eprint/3282

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