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User frustrationn inn the use of informationn andd computing technology is a pervasive andd persistent problem.. Whenn computers crash,, networkk congestionn causes delays,, andd poor user interfaces trigger confusionn there are dramatic consequences for individuals,, organi zations,, andd society.. These frustrations not only cause personal(More)
The effects of human speech on a fine, continuous, and open motor skill were examined. A tape of auditory human radio traffic was injected into a tank gunnery simulator during each training session for 4 wk. of training for 3 hr. a week. The dependent variables were identification time, fire time, kill time, systems errors, and acquisition errors. These(More)
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