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Analysis of information processing, decision making, and visual strategies in complex problem solving sport situations

Abstract : The aim of this research was to analyze information processing, decision making and visual search activity of boxers (French boxing) of various levels of expertise (experts, intermediates, and novices) in simulated and video problem-solving situations replicating the natural task demands. Subjects were placed in front of a screen on which a front-viewed filmed boxer, considered as an opponent, carried out different boxing manoeuvres to which they had to respond by manipulating a joystick according to previously learned responses. Two experiments were carried out. The first was used to analyse subjects' responses in situations whose level of complexity varied. Different actions carried out by an opponent (attacks, openings, and feints) were presented in each situation. In simple situations, subjects had to react to one type of manoeuvres only, whereas in complex situations they had to react to a wider variety and choose the appropriate responses. Response accuracy and reaction time were analysed. Results indicated that differences between groups occurred only in complex situations. The responses of expert boxers were more accurate but reaction time was the same in all groups. This experiment was also used to select the appropriate sequences retained for the second experiment, in which the visual behaviour of boxers was analysed by using an Eye Movement Recorder (Nac Eye Mark recorder V) during the test. The spatial (nature, number, frequency of visual fixations, and scan-paths), and the temporal (mean duration of fixation, and total duration of fixation) characteristics of the visual search activity were analysed. Results demonstrated a significant correlation between level of expertise and subjects' visual strategy.
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Hubert Ripoll, Yves Kerlirzin, Jean-François Stein, Bruno Reine. Analysis of information processing, decision making, and visual strategies in complex problem solving sport situations. Human Movement Science, Elsevier, 1995, 14 (3), pp.325-349. ⟨10.1016/0167-9457(95)00019-O⟩. ⟨hal-01816088⟩



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