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Tr A Vis to enhance online tutoring and learning activities Real-time visualization of students tracking data

机译：Tr A Vis增强在线辅导和学习活动实时可视化学生跟踪数据

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Purpose - This paper presents a part of our research work that places an emphasis on Tracking Data Analysis and Visualization (TrAVis) tools, a web-based system, designed to enhance online tutoring and learning activities, supported by computer-mediated communication (CMC) tools. TrAVis is particularly dedicated to assist both tutors and students in the task of exploiting tracking data of communication activities throughout the learning process. This paper focuses on the technical aspects of TrAVis, the visualization of students' tracking data and the experiment we have conducted in an authentic learning situation. Design/methodology/approach - A mixture of iterative and participative approaches has been adopted for the design of TrAVis. Different versions of TrAVis were built during the progress of our research. The major changes in each build have particularly involved the conceptual design of data indicators of students' activities and the visualization techniques of the data indicators. Both case studies and experiments have been made to evaluate TrAVis. Findings - This paper demonstrates how TrAVis provides a new experience in visualizing and analyzing students' tracking data. While it shows the originality and novelty of the system, it also reveals the potential benefits of TrAVis to both tutors and students in their online tutoring and learning activities. Research limitations/implications - The result from the experiment is not sufficient to evaluate some specific aspects of TrAVis. As a matter of fact, the lack of user's feedback did not enable us to justify whether or not the proposed data indicators would be actually used by the users. Practical implications - The data indicators shown in this paper are computed based on the real needs of the participants in the learning process. Online questionnaires were used and face-to-face interviews have been made to study the needs of the users throughout this research work. Originality/value - One of the particularities of this research is the proposed system, TrAVis, objectively designed to better support the tutors in the tasks of monitoring and evaluating students on CMC tools. Plus, TrAVis is distinguished from the existing systems by its capacity in computing substantial data indicators, allowing the tutors to efficiently visualize and analyze both the process and the product of students' activities.
机译：目的-本文介绍了我们研究工作的一部分，重点是跟踪数据分析和可视化（TrAVis）工具，这是一个基于Web的系统，旨在增强在线辅导和学习活动，并由计算机介导的通信（CMC）支持工具。 TrAVis特别致力于协助导师和学生完成在整个学习过程中利用交流活动的跟踪数据的任务。本文重点介绍TrAVis的技术方面，学生跟踪数据的可视化以及我们在真实学习环境中进行的实验。设计/方法/方法-TrAVis的设计采用了迭代方法和参与方法的混合体。在我们的研究过程中，已构建了不同版本的TrAVis。每个版本的主要变化特别涉及学生活动数据指标的概念设计和数据指标的可视化技术。已经进行了案例研究和实验来评估TrAVis。调查结果-本文演示TrAVis如何在可视化和分析学生的跟踪数据方面提供新的体验。它显示了该系统的新颖性和新颖性，同时还揭示了TrAVis在在线辅导和学习活动中对导师和学生的潜在好处。研究局限性/意义-实验结果不足以评估TrAVis的某些特定方面。实际上，由于缺乏用户反馈，因此我们无法证明建议的数据指标是否将由用户实际使用。实际意义-本文中显示的数据指标是根据学习过程中参与者的实际需求计算的。在整个研究工作中，使用了在线调查表，并进行了面对面的访谈来研究用户的需求。独创性/价值-这项研究的特殊性之一是所提出的系统TrAVis，其客观设计旨在更好地支持教师在CMC工具上监视和评估学生的任务。另外，TrAVis与现有系统的区别在于其计算大量数据指标的能力，使导师可以有效地可视化和分析学生活动的过程和结果。

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