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Combining situated Cognitive Engineering with a novel testing method in a case study comparing two infusion pump interfaces

机译：在比较两个输液泵接口的案例研究中，将情境认知工程与一种新颖的测试方法相结合

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We validated the usability of a new infusion pump interface designed with a situated Cognitive Engineering approach by comparing it to a reference interface using a novel testing method employing repeated measurements and process measures, in addition to traditional outcome measures. The sample consisted of 25 nurses who performed eight critical tasks three times. Performance measures consisted of number and type of errors, deviations from a pre-established normative path solution, task completion times, number of keystrokes, mental effort and preferences in use. Results showed that interaction with the new interface resulted in 18% fewer errors, 90% fewer normative path deviations, 42% lower task completion times, 40% fewer keystrokes, 39% lower mental effort and 76% more subjective preferences in use. These outcomes suggest that within the scope of this case study, combining the situated Cognitive Engineering approach with a novel testing method addresses various shortcomings of earlier testing methods. (C) 2016 Elsevier Ltd and The Ergonomics Society. All rights reserved.
机译：我们通过使用一种新颖的测试方法（除了传统的结果测量方法之外，还使用重复测量和过程测量方法）将其与参考接口进行了比较，从而验证了采用定位认知工程方法设计的新型输液泵接口的可用性。样本由25位护士组成，他们三遍执行了8个关键任务。绩效指标包括错误的数量和类型，与预先建立的规范路径解决方案的偏差，任务完成时间，击键次数，精神努力和使用偏好。结果表明，与新界面的交互减少了18％的错误，减少了90％的标准路径偏差，减少了42％的任务完成时间，减少了40％的击键次数，减少了39％的精力，并且使用了76％的主观偏好。这些结果表明，在本案例研究的范围内，将定位的认知工程方法与新颖的测试方法结合起来可以解决早期测试方法的各种缺点。 （C）2016 Elsevier Ltd和人体工程学学会。版权所有。

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