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Schneider, Darryl W.; Anderson, John R. – Cognitive Psychology, 2011
We propose and evaluate a memory-based model of Hick's law, the approximately linear increase in choice reaction time with the logarithm of set size (the number of stimulus-response alternatives). According to the model, Hick's law reflects a combination of associative interference during retrieval from declarative memory and occasional savings…
Descriptors: Reaction Time, Memory, Evaluation, Models
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Chan, Winnie Wai Lan; Au, Terry K.; Tang, Joey – Journal of Experimental Child Psychology, 2011
Even when two-digit numbers are irrelevant to the task at hand, adults process them. Do children process numbers automatically, and if so, what kind of information is activated? In a novel dot-number Stroop task, children (Grades 1-5) and adults were shown two different two-digit numbers made up of dots. Participants were asked to select the…
Descriptors: Reaction Time, Numbers, Grade 1, Cognitive Processes
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Gevers, Wim; Verguts, Tom; Reynvoet, Bert; Caessens, Bernie; Fias, Wim – Journal of Experimental Psychology: Human Perception and Performance, 2006
The SNARC (spatial numerical associations of response codes) effect reflects the tendency to respond faster with the left hand to relatively small numbers and with the right hand to relatively large numbers (S. Dehaene, S. Bossini, & P. Giraux, 1993). Using computational modeling, the present article aims to provide a framework for conceptualizing…
Descriptors: Numbers, Scientific Concepts, Task Analysis, Spatial Ability