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Augmented reality (AR) displays often reduce the visual capabilities of the user. This reduction can be measured both objectively and through user studies. We acquired objective measurements with a color meter and conducted two user studies for each of two key measurements. First was the combined effect of resolution and display contrast, which equate to(More)
For many first-time users of augmented reality (AR) displays, the experience suffers compared to their expectations. While several human factors issues are responsible for this disconnect, abundant anecdotal evidence and numerous controlled laboratory studies have shown that part of the performance gap is in the low perceptual quality of the graphical(More)
OBJECTIVE Rwanda's Ministry of Health, with the Clinton Health Access Initiative, implemented the Human Resources for Health (HRH) Program. The purpose of the program is to train and retain high-quality health care professionals to improve and sustain health in Rwanda. DESIGN In May 2011, an oral health team from Rwanda and the United States proposed that(More)
OBJECTIVE The impact of interference from irrelevant spatial versus verbal cues is investigated in an auditory spatial Stroop task, and individual differences in navigation strategy are examined as a moderating factor. BACKGROUND Verbal-spatial cue conflict in the auditory modality has not been extensively studied, and yet the potential for such conflict(More)
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