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Investigating the TACOM measure as a general tool for quantifying the complexity of procedure guided tasks

机译：研究TACOM措施作为量化程序指导任务复杂性的通用工具

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According to operation experience, it is evident that the role of human operators is critical for securing the safety of complex socio-technical systems. For this reason, various kinds of HRA (Human Reliability Analysis) techniques have been used for several decades in order to systematically manage the likelihood of human error. One of the prerequisites to accomplish this goal is the provision of sufficient data that are helpful for HRA practitioners. In this regard, Podofillini, Park, and Dang (2013) investigated the feasibility of the TACOM (Task Complexity) measure as a tool to represent the effect of a task complexity on the performance of human operators in an objective manner. As a result, it was observed that TACOM scores systematically explain the variation of difficulty rankings and the likelihood of human error being empirically measured. Accordingly, it is possible to expect that the TACOM measure can support HRA practitioners because they can estimate the relative difficulties (or the likelihoods of human error) among tasks based on the associated TACOM scores to some extent. In order to confirm this expectation, however, it is indispensable to ensure the generality of the TACOM measure. From this necessity, task performance time data obtained from different task environments are compared. Consequently, it is believed that the TACOM measure can be regarded as a general tool for representing the complexity of procedure guided tasks because human operators who are faced with similar TACOM scores showed comparable task performance times even under different task environments.
机译：根据操作经验，很明显，操作员的角色对于确保复杂的社会技术系统的安全至关重要。因此，为了系统地管理人为错误的可能性，数十年来使用了各种HRA（人类可靠性分析）技术。实现此目标的先决条件之一是提供足够的数据，这对于HRA从业人员很有帮助。在这方面，Podofillini，Park和Dang（2013）研究了TACOM（任务复杂性）措施作为一种客观地表示任务复杂性对操作员绩效的影响的工具的可行性。结果，观察到TACOM评分系统地解释了难度等级的变化以及凭经验衡量的人为错误的可能性。因此，可能会期望TACOM度量能够支持HRA从业者，因为他们可以在一定程度上基于相关的TACOM分数来估计任务之间的相对困难（或人为错误的可能性）。但是，为了确认这一期望，必须确保TACOM措施的普遍性。因此，需要比较从不同任务环境获得的任务执行时间数据。因此，可以相信，TACOM度量可以被视为代表程序指导任务的复杂性的通用工具，因为面对相似TACOM分数的操作员即使在不同的任务环境下也表现出可比的任务执行时间。

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