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Your company developed a web browser that enables users to browse websites using gaze points. The idea is to provide a hands-free browsing platform to
Your company developed a web browser that enables users to browse websites using gaze points. The idea is to provide a hands-free browsing platform to those who cannot use their hands due to permanent or temporary impairments. The browser uses a webcam to detect where the user is looking. When the user looks at an interactive item for more than 3 seconds (dwell time), it is selected. For example, if the user looks at a button for over three seconds, it will be clicked. However, in early trials, the browser performed poorly. The company asked you to find out why users don't like the browser, address the issues, then find out how much time the browser takes to explore websites. First, you conducted an interview with the users, which revealed that they dislike the browser, because: Problem 1: they could not tell when an item will be selected, and Problem 2: there were too many unwanted selections. Now based on the design guidelines discussed in class: 1) How would you address the first problem? (1 pts) Provide justification for your choice (1 pts). 2) How would you address the second problem (1 pts)? Provide justification for your choice (1 pts). 3) Which model would you use to predict the reaction time for the selection of specific interactive items or menus on the browser ( 1 pts)? Justify your decision ( 1 pts). Your company developed a web browser that enables users to browse websites using gaze points. The idea is to provide a hands-free browsing platform to those who cannot use their hands due to permanent or temporary impairments. The browser uses a webcam to detect where the user is looking. When the user looks at an interactive item for more than 3 seconds (dwell time), it is selected. For example, if the user looks at a button for over three seconds, it will be clicked. However, in early trials, the browser performed poorly. The company asked you to find out why users don't like the browser, address the issues, then find out how much time the browser takes to explore websites. First, you conducted an interview with the users, which revealed that they dislike the browser, because: Problem 1: they could not tell when an item will be selected, and Problem 2: there were too many unwanted selections. Now based on the design guidelines discussed in class: 1) How would you address the first problem? (1 pts) Provide justification for your choice (1 pts). 2) How would you address the second problem (1 pts)? Provide justification for your choice (1 pts). 3) Which model would you use to predict the reaction time for the selection of specific interactive items or menus on the browser ( 1 pts)? Justify your decision ( 1 pts)
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