Coury B G, Boulette M D
Johns Hopkins University, Laurel, Maryland 20723-6099.
Hum Factors. 1992 Dec;34(6):707-25. doi: 10.1177/001872089203400605.
Selecting the appropriate display format for time-constrained tasks is the focus of the research presented in this paper. The effect of time stress on operator performance was assessed by manipulating the time available to process the display. Twenty people were trained as operators and instructed to identify the state of a system using either a digital display or a polygon display. Participants were required to reach a prespecified criterion in training and were then tested under time-constrained conditions. Time constraints were set at 100%, 50%, and 25% of each person's mean unpaced response times obtained during training. Results showed that response to the time constrained conditions was significantly affected by uncertainty and the type of display format. Discussion focuses on the effects of time stress on performance and the selection of displays for time-constrained tasks.
为时间受限任务选择合适的显示格式是本文所呈现研究的重点。通过控制处理显示的可用时间来评估时间压力对操作员绩效的影响。二十人被训练成操作员，并被指示使用数字显示器或多边形显示器来识别系统状态。参与者在训练中需要达到预先设定的标准，然后在时间受限条件下进行测试。时间限制设定为每个人在训练期间获得的平均无节奏反应时间的100%、50%和25%。结果表明，对时间受限条件的反应受到不确定性和显示格式类型的显著影响。讨论集中在时间压力对绩效的影响以及为时间受限任务选择显示器的问题上。
