How Trainees Use the Information from Telepointers in Remote Instruction

How Trainees Use the Information from Telepointers in Remote Instruction
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学员如何在远程教学中使用远程指示器的信息

DOI:
10.1145/3359195
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发表时间:
2019
影响因子:
--
通讯作者:
Mentis, Helena
Mentis, Helena
中科院分区:
--
文献类型:
--
作者:
Semsar, Azin;McGowan, Hannah;Feng, Yuanyuan;Zahiri, H. Reza;Park, Adrian;Kleinsmith, Andrea;Mentis, Helena

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研究人员已经证明,在远程教学中使用远程指针或类似的显示覆盖技术既有性能上的缺点,也有性能上的好处;然而,对于为什么会有这些性能影响,还没有一个明确的理解。这对了解如何以及何时在远程教学中成功使用或设计远程定位技术提出了挑战。随着从石油钻井平台维修到外科手术等各行各业远程工作人员的崛起,以及平视显示器或电信设备的普及,需要更好地了解这些情况,以支持这些未来的工作实践。在这项研究中,我们探索如何通过远距离指示器传达的信息是如何被外科实习生在腹腔镜手术遥测环境中接受和操作的。我们收集了12名外科实习生的音频和视频数据,他们在外科培训师的指导下在物理模型上执行标准的腹腔镜手术任务。我们调查了行动和谈话,以确定基于遥控器的信息是如何使用的。我们的发现揭示了使用遥控器传递的教学信息的三个主要挑战,包括受训者将遥控器教学作为主要信息来源的倾向。我们认为,所发现的挑战本质上是社会技术的,需要重新设计指导环境和技术工具。
Researchers have shown both performance drawbacks and benefits of using telepointers or similar display overlay-technologies in remote instruction; however, there is not a clear understanding of why there are these performance effects. This poses a challenge in knowing how and when to successfully use or design telepointing technologies in remote instruction. A better understanding is needed with the rise of remote workers in a wide array of industries from oil rig repair to surgery, and the proliferation of heads-up displays or telecommunications devices to support these future work practices. In this study, we explore how the information conveyed through a telepointer is taken up and acted upon by surgical trainees in a laparoscopic surgical telementoring setting. We collected audio and video data of 12 surgical trainees who performed standard laparoscopic surgical tasks on a physical model under the guidance of a surgical trainer. We investigated both action and talk to determine how the telepointer-based information was used. Our findings reveal three main challenges in using the instructional information conveyed through the telepointer including the trainees' tendency of attending to the telepointer instruction as the primary source of information. We argue that the found challenges are socio-technical in nature and require a redesign of the mentoring context as well as the technological tools.
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