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Campbell, Michael G.; Powers, Tamara M.; Zheng, Shao-Liang – Journal of Chemical Education, 2016
Implementing the case study method in a practical X-ray crystallography course designed for graduate or upper-level undergraduate chemistry students is described. Compared with a traditional lecture format, assigning small groups of students to examine literature case studies encourages more active engagement with the course material and…
Descriptors: Science Instruction, Chemistry, Case Studies, Teaching Methods
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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