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One of the most well-understood and salient principles underlying the ergonomics of graphical user interface design is Fitts' Law . Named for Paul Fitts, a psychologist at Ohio State University, Fitts' Law is a mathematical model of fine motor control
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Yesterday morning we were sitting in the office of one of our usability researchers watching some DVCAM tapes from tests conducted a few weeks ago. We had a discussion that got me thinking about a set of tests we ran several years ago to determine the
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A couple of weeks ago when I talked about The Feature Bob Invented , I mentioned that we use PowerPoint as an easy way to prototype UI, especially in the early stages of design. A number of people have asked me for more details, and so today I thought
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One of the major engineering feats associated with shipping Office is making sure it runs fast enough. This effort, which we classify under the broad heading of "performance" includes responsiveness (how quickly a button responds when you click it), throughput
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I saw the following post as a comment below a news article on Office 12: "with its fancy skin, it appears Office has abandoned low-vision users forever." Nothing could be further from the truth. We have accessibility experts within every team in Office,
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Early in our work designing Ribbon content, we had little data to go on in terms of how different content layouts within the Ribbon would affect the usability of the features being laid out. Being a new control, there wasn't any direct information we
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