Decision making in sport: the effect of stimulus-response probability on the performance of a coincidence-anticipation task

Research Quarterly for Exercise and Sport
L ProteauY Girouard

Abstract

The purpose of the present study was to evaluate the quality of a motor response for different levels of expectancy and time constraint, in a two-choice coincidence-anticipation task. The probability of each of the two events likely to be presented were varied across different levels as well as the speed of the stimulus to be intercepted. The results indicated that neither the choice reaction time (CRT) and movement time, nor the performance of coincidence-anticipation were affected by the probability of the stimulus for the low and moderate stimulus speeds. However, when the stimulus traveled at a high speed a trade-off took place. The CRT decreased as the probability of the event increased, whilst the proportion of response initiation errors increased for the low probability events. This trade-off resulted in a better coincidence-anticipation as the probability of the event increased. The results obtained in the present experiment are clearly different from those obtained in a classic CRT-deadline paradigm, in that the trade-off observed between CRT and response initiation errors was far less pronounced in the coincidence-anticipation task. This difference was attributed to the higher negative consequences associated with a r...Continue Reading

References

Dec 1, 1972·Journal of Experimental Psychology·R A Schmidt, D G Russell
Apr 1, 1982·Perceptual and Motor Skills·C C Dudley-MarlingS G Tarver
Mar 1, 1953·Journal of Experimental Psychology·R HYMAN
Jan 1, 1979·Journal of Motor Behavior·K M NewellM J Carlton
Mar 1, 1974·Journal of Motor Behavior·H T Whiting, R H Sharp

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