任务中断的机会时刻:检查基础上的认知机制中断-定时效应
Patricia Hirsch1, Luca Moretti1, Benedikt Leichtmann2,3
1Institute of Psychology, RWTH Aachen University, Aachen, Germany.
Frontiers in psychology
|January 30, 2025
概括
任务中断会对业绩产生负面影响,尤其是在序列中断时. 这项研究发现,在第三个子任务之前的中断导致了最高的绩效成本,无论任务顺序类型如何.
科学领域:
- 认知心理学 认知心理学
- 人与计算机的交互
- 任务中断研究 任务中断研究
背景情况:
- 众所周知,在精神工作量高时的任务中断比在精神工作量低时更有害.
- 了解中断的精确时间及其对绩效的影响对于优化任务设计和最小化错误至关重要.
研究的目的:
- 通过使用理论驱动的方法来定义心理工作负载,研究中断时间对主要任务执行的影响.
- 检查连续任务中的不同中断点如何影响恢复成本.
主要方法:
- 参与者完成了一个由六个子任务组成的主要任务,在第二个,第三个或第四个子任务之前出现中断.
- 任务序列被结构为延迟-2重复三重组或延迟-2切换三重组,以操纵心理工作量和子任务抑制.
- 恢复成本是通过在中断后对子任务的性能进行比较,以与在不间断的顺序中对相同的子任务的性能进行比较来衡量.
主要成果:
- 观察到一个显著的中断时间效应,当中断发生在第三个子任务之前时,恢复成本更高.
- 与第三个子任务之前的中断相比,在第二个和第四个子任务之前的中断导致恢复成本较低.
- 观察到的中断时间对恢复成本的影响在lag-2重复和lag-2切换序列之间没有差异.
结论:
- 任务中断的时间显著影响性能恢复,中断的中断特别具有破坏性.
- 研究结果表明,与任务序列相关的认知负载,特别是克服子任务抑制,在中断成本中起着关键作用.
- 结果与记忆检索和上下文重建理论有关的讨论,以解释中断后的性能下降.
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