Usability testing in medical informatics: cognitive approaches to evaluation of information systems and user interfaces
Usability testing in medical informatics: cognitive approaches to evaluation of information systems and user interfaces
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发表时间：
1997
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通讯作者：
A. Kushniruk;V. Patel;J. Cimino
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作者：
A. Kushniruk;V. Patel;J. Cimino
本文描述了一种基于可用性工程的医疗保健信息技术评估方法，以及从医学认知研究的方法论框架。该方法涉及收集一组丰富的数据，包括医护人员与诸如计算机化患者记录和决策支持工具等系统交互时的视频记录。该方法可应用于实验室环境中，通常涉及受试者在与系统交互时“大声思考”。类似的数据收集和分析方法也可以扩展到对医院诊所“实时”环境中的计算机系统的研究。我们的方法也受到认知任务分析领域工作的影响，该领域的目的是描述不同专业水平的受试者在执行代表性任务时与信息技术互动时的决策和推理特征。详细描述了进行基于认知的可用性分析的各个阶段，并讨论了这种分析在系统和界面开发的迭代过程中的应用。
This paper describes an approach to the evaluation of health care information technologies based on usability engineering and a methodological framework from the study of medical cognition. The approach involves collection of a rich set of data including video recording of health care workers as they interact with systems, such as computerized patient records and decision support tools. The methodology can be applied in the laboratory setting, typically involving subjects "thinking aloud" as they interact with a system. A similar approach to data collection and analysis can also be extended to study of computer systems in the "live" environment of hospital clinics. Our approach is also influenced from work in the area of cognitive task analysis, which aims to characterize the decision making and reasoning of subjects of varied levels of expertise as they interact with information technology in carrying out representative tasks. The stages involved in conducting cognitively-based usability analyses are detailed and the application of such analysis in the iterative process of system and interface development is discussed.