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Support for NHTSA's Development of Guidelines on Distraction-Potential from Visual-Manual Interfaces: An Examination of the Definition of 'Task' and Task Taxonomies Based on Interviews with Experts.
| 题名： | Support for NHTSA's Development of Guidelines on Distraction-Potential from Visual-Manual Interfaces: An Examination of the Definition of 'Task' and Task Taxonomies Based on Interviews with Experts. |
| 作者： | Angell, L.; Cook, J.; Perez, M. |
| 关键词： | Distractions; Driver Performance; Guidelines; Highway Safety; In-vehicle Tasks; In-vehicle Technologies; Motor Vehicle Drivers; National Highway Traffic Safety Aministration(nhtsa); Visual Demand |
| 摘要： | An interview study was conducted to gather input for the National Highway Traffic Safety Administration as it develops guidelines for preventing distraction from tasks performed with in-vehicle electronics devices. Nine experts were interviewed about the definition of task used in guidelines issued by the Alliance of Automobile Manufacturers (2006), along with a broader set of supporting terms used in conjunction with the definition for task, when devices are tested for adherence to limits on distraction. These interviews explored four topics: (1) Definitions of task in use, (2) Other definitions used in conjunction with the definition of task (e.g., goal, subgoal, subtask, start state, end state), (3) Alternate definitions for task, and (4) Task taxonomies. The qualitative interview data were scored for main ideas and themes. Shared ideas (versus singleton ideas) were identified through frequency counts. Among the most salient findings was that the current definition of task seems well accepted, at least the main portions of it. This definition gives rise to fairly common practice among users. Ideas for improving the definition and its corollary definitions were gathered. Preliminary recommendations were offered for consideration as NHTSA develops an approach to defining tasks in its guidelines to prevent and limit distraction. |
| 报告类型： | 科技报告 |
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