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Brian's CHI BlogSaturday, May 2, 2009. Fitts's Law is a b * log(1 D/W). This law is used to describe how long it takes humans to use a device. A is the start up time, b is the movement speed, d is the distance to the target, and w is the width of the target. This law can be used to make your device faster to use. Usability Evaluation Considered Harmful. No one else has written on it). No one else has written on it). This paper is similar to Norman's but on a different topic. It seems that complacency is their main c...
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