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| Controlling Everyday Appliances With Handheld Computers |
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posted by Editor on Friday December 20, @06:37PM
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This paper (PDF) from Carnegie Mellon's research center for Human Computer Interaction and Pervasive Computing shows that interfaces in appliances such as telephones, copiers, and home stereos can be improved by using a remote control interface on a handheld computer. In a study, subjects were asked to work through one list of tasks for a stereo and a phone. One set of subjects worked on the actual stereo and a prototype interface for the phone, while the others worked on the actual phone and prototype for the stereo. The research team recorded the number of missteps and the number of times external help was required while the tasks were performed. The results were that subjects made fewer missteps and asked for help less using the prototype handheld interfaces than using the actual appliances. This indicates that the prototype handheld interfaces were more intuitive to use than the actual interfaces in the appliances.
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