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An Informatic Rationale for the Speed-Accuracy Trade-Off

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The speed-accuracy trade-off arises spontaneously and universally across the full range of human activities – simply put, when we go faster we make more errors. Reported in academic papers dating back more than a century [5], mundane to the point of being proverbial ("Haste makes waste") and steeped in common sense (we instinctively slow down to avoid errors), it is hard to imagine a more banal feature of human performance. And yet, ironically, the cause and underlying mechanism of the speed-accuracy trade-off remain a mystery that has persisted through the years, despite the work of some noteworthy researchers. For example, Fitts [1] proposed a random-walk model to explain the speed-accuracy trade-off in choice reaction time studies; Plamondon and Alimi [2] constructed a delta-log-normal impulse model of the human neuromuscular system that explains the speed-accuracy trade-off in rapid aimed movements; and Swensson [4] proposed an explanation of the speed-accuracy trade-off for visual

An Informatic Rationale for the Speed-Accuracy Trade-Off Soukoreff, R. W., and MacKenzie, I. S. (2009) An informatic rationale for the speed-accuracy tradeoff. Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics - SMC 2009 , pp. 2890-2896. New York: IEEE. [ PDF ] An Informatic Rationale for the Speed-Accuracy Trade-Off R. W. Soukoreff and I. S. MacKenzie Department of Computer Science and Engineering York University Toronto, Ontario, Canada Abstract - This paper argues that the speed-accuracy trade-off arises as a consequence of Shannon's Fundamental Theorem for a

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