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The Developmental Roots of the Speed-Accuracy Trade-Off.
Journal of Experimental Psychology: Human Perception and Performance, 2005The speed of adult reaching movements is lawfully related to the distance of the reach and the size of the target. The authors had 7-, 9-, and 11-month-old infants reach for small and large targets to investigate a possible relation between the emergence of this speed-accuracy trade-off and the improvements in infants' ability to pick up tiny objects ...
Frank T. J. M. Zaal, Esther Thelen
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Speed, accuracy, and ease of recall
Journal of Verbal Learning and Verbal Behavior, 1972Word lists were followed by semantic (category name) or positional (serial position) probes, and serial-position functions were assessed in terms of expended-processing capacity (EPC). EPC indicated the amount of processing consumed by the memory task and was measured as reaction time to light signals which coincided with specific events in the memory ...
William A. Johnston +2 more
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Validity of the speed-accuracy tradeoff for prehension movements
Experimental Brain Research, 2004Subjects (n=12) grasped mirror-viewed visual targets with thumb and index finger, while prescribed movement time differed between blocks of trials. The variability of both final grip aperture (i.e. distance between thumb and index finger) and of final wrist position increased with decreasing movement time, indicating the existence of a speed-accuracy ...
M, Girgenrath, O, Bock, S, Jüngling
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The movement speed-accuracy relation in space-time
Human Movement Science, 2013Two experiments investigated a new approach to decomposing the contributions of spatial and temporal constraints to an integrated single space-time performance score in the movement speed-accuracy relation of a line drawing task. The mean and variability of the space-time performance error score were lowest when the task space and time constraint ...
Tsung-Yu, Hsieh +3 more
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Speed-Accuracy Characteristics of Saccadic Eye Movements
Journal of Motor Behavior, 1985Speed-accuracy trade-off characteristic of horizontal saccadic eye movements were examined in this study. Unlike limb movements, saccadic eye movements are preprogrammed, unidimensional, and do not involve target impact. Hence, they provide an optimal test of the impulse variability account of the speed-accuracy trade-off in rapid movements.
A E, Patla +3 more
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The movement speed/accuracy operator in Parkinson's disease
Neurology, 1990This study examined the effects of Parkinson's disease (PD) and its treatment on the speed of rapid arm movements to different target sizes in a simple reaction time task in 8 PD and 9 normal subjects. Testing in PD subjects occurred after an overnight fast from their medications and 1 hour after their usual 1st dose.
E B, Montgomery, J, Nuessen
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Adult age and the speed-accuracy trade-off
Ergonomics, 1979Three experiments were conducted to investigate the possibility that previously reported age differences in speed of performance were caused by older subjects placing more emphasis on accuracy than younger subjects. The speculation that older subjects generally have a greater emphasis on accuracy was confirmed, but only in one of the experiments was ...
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