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Menneer, 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
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Koh, Ranieri Y. I.; Park, Taezoon; Wickens, Christopher D.; Ong, Lay Teng; Chia, Soon Noi – Journal of Experimental Psychology: Applied, 2011
This study investigated the effect of nursing experience on attention allocation and task performance during surgery. The prevention of cases of retained foreign bodies after surgery typically depends on scrub nurses, who are responsible for performing multiple tasks that impose heavy demands on the nurses' cognitive resources. However, the…
Descriptors: Surgery, Eye Movements, Nurses, Attention
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Peebles, David – Journal of Experimental Psychology: Applied, 2008
Two experiments investigated effects of emergent features on perceptual judgments of comparative magnitude in three diagrammatic representations: kiviat charts, bar graphs, and line graphs. Experiment 1 required participants to compare individual values; whereas in Experiment 2 participants had to integrate several values to produce a global…
Descriptors: Graphs, Charts, Evaluative Thinking, Comparative Analysis