Abstract
A single-stimulation and two double-stimulation response conditions were compared using explicit payoff matrices to vary speed-accuracy tradeoff. Under accuracy payoff, response latency (RT1) to the first stimulus increased as ISI dropped but accuracy remained high and relatively constant. Under speed payoff, RT1 was only slightly affected by ISI but accuracy dropped as ISI decreased. Transmitted information rates consistently reflected detrimental effects of short ISI. In double stimulation, but not in single stimulation, error response latency exceeded correct response latency. Furthermore, error response latencies were found to be far more variable and more sensitive to changes in speed-accuracy condition than were correct response latencies. Finally, under both speed and accuracy conditions, response latency to the first of two successive stimuli was faster if a response was also required to the second stimulus. Implications of the data for possible models of double-stimulation speed-accuracy tradeoff are considered.
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This research was supported in part by NIMH Grant MH 21169. This report is based on a thesis submitted by the first author in partial fulfillment of the requirements for the MS degree and supervised by the second author.
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Knight, J.L., Kantowitz, B.H. Speed-accuracy tradeoff in double stimulation: Effects on the first response. Memory & Cognition 2, 522–532 (1974). https://doi.org/10.3758/BF03196915
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DOI: https://doi.org/10.3758/BF03196915