用增强现实与实体机器人辅助向量加法教学，提升学习效果。
Going Down the Abstraction Stream with Augmented Reality and Tangible Robots: the Case of Vector Instruction
- 通过增强现实与实体机器人分阶段实现具象化渐退教学。
- 30名参与者实验显示学习成效显著提升。
- 适合教育科技、物理教学研究者参考。
尽管向量加法在物理、数学等工程科学领域广泛应用，且常在高中课程中教授，但在大学物理课程中仍易引发理解误区。为改善学习体验并增强对向量加法的理解，我们探究了结合增强现实与实体机器人的具象化渐退策略是否有助于学习者建立牢固的向量加法表征。设计了一个包含三个具象化渐退阶段的游戏化学习环境，并对30名参与者进行实验。结果表明学习成效明显提升。我们深入分析了参与者在学习过程中对增强现实与实体机器人技术工具的使用行为。最终讨论了这些工具组合在实施具象化渐退范式中的实际优势。本研究为用户如何利用触觉机器人和增强现实提供的具体可视化进行学习提供了实证洞察。
原文摘要 · Abstract (English)
Despite being used in many engineering and scientific areas such as physics and mathematics and often taught in high school, graphical vector addition turns out to be a topic prone to misconceptions in understanding even at university-level physics classes. To improve the learning experience and the resulting understanding of vectors, we propose to investigate how concreteness fading implemented with the use of augmented reality and tangible robots could help learners to build a strong representation of vector addition. We design a gamified learning environment consisting of three concreteness fading stages and conduct an experiment with 30 participants. Our results shows a positive learning gain. We analyze extensively the behavior of the participants to understand the usage of the technological tools -- augmented reality and tangible robots -- during the learning scenario. Finally, we discuss how the combination of these tools shows real advantages in implementing the concreteness fading paradigm. Our work provides empirical insights into how users utilize concrete visualizations conveyed by a haptic-enabled robot and augmented reality in a learning scenario.
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