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Increasing productivity and reducing errors through usability analysis: a case study and recommendations.

机译:通过可用性分析提高生产率并减少错误:案例研究和建议。

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摘要

The usability problems of a system often occur due to inattention to well-documented and well-established design guidelines and heuristics. These problems often lead to increased errors, user dissatisfaction, and often user abandonment. Although there are a plethora of design principles, programs are still being constructed without integration of these principles. One family history-tracking program was examined for usability compliance. In addition to a user analysis, a task analysis was conducted comparing the designers' conceptualization of tasks with the users' conceptualization of these tasks. A cognitive walk-through was then conducted on these tasks. Finally, a keystroke level model was used to show the differences between the execution times of these tasks. This model showed a serious mismatch between the designers and users conceptions of the task. The suggested redesign showed timesaving for each of these tasks.
机译:系统的可用性问题经常是由于不注意有据可查的和完善的设计准则和启发式方法而引起的。这些问题通常导致错误增加,用户不满意,并经常导致用户遗弃。尽管有很多设计原则,但是在不集成这些原则的情况下仍在构建程序。对一项家庭历史跟踪程序进行了可用性检查。除了用户分析之外,还进行了任务分析,将设计者的任务概念与用户对这些任务的概念进行比较。然后对这些任务进行了认知演练。最后,使用击键级别模型来显示这些任务的执行时间之间的差异。该模型显示出设计者和用户对任务的构想之间存在严重的不匹配。建议的重新设计显示了这些任务中的每一项都节省了时间。

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