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Designers perform early-stage formative usability tests with low-fidelity prototypes to improve the design of new products. This low-tech prototype style reduces the manufacturing resources but limits the functions that can be assessed. Recent advances in technology enable designers to create low-fidelity 3D models for users to engage in a virtual...
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Context 1
... are used to stress important information and to help guide the subject. A countdown timer, one of the first elements to provide visual stimuli, was presented to subjects in a blue box in the upper right-hand corner of the screen (Figure 2). As stated previously, the SCA victim's chance of survival drops by 10% each minute. ...
