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Direct linkMenneer, Tamaryn; Stroud, Michael J.; Cave, Kyle R.; Li, Xingshan; Godwin, Hayward J.; Liversedge, Simon P.; Donnelly, Nick – Journal of Experimental Psychology: Applied, 2012
Searching simultaneously for metal threats (guns and knives) and improvised explosive devices (IEDs) in X-ray images is less effective than 2 independent single-target searches, 1 for metal threats and 1 for IEDs. The goals of this study were to (a) replicate this dual-target cost for categorical targets and to determine whether the cost remains…
Descriptors: National Security, Visual Perception, Eye Movements, Reaction Time
Francis, Gregory; Bias, Keri; Shive, Joshua – Journal of Experimental Psychology: Applied, 2010
Mathematicians have proven that four colors are sufficient to color 2-D maps so that no neighboring regions share the same color. Here we consider the psychological 4-color problem: Identifying which 4 colors should be used to make a map easy to use. We build a model of visual search for this design task and demonstrate how to apply it to the task…
Descriptors: Maps, Search Strategies, Counties, Psychology
