Visuo-haptic Simulations to Improve Students’ Understanding of Friction Concepts
Visuo-haptic Simulations to Improve Students’ Understanding of Friction Concepts
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视觉触觉模拟可提高学生对摩擦概念的理解
DOI：
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发表时间：
2018
期刊：
影响因子：
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通讯作者：
Bedrich Benes
中科院分区：
文献类型：
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作者：
L. Neri;Alejandra J. Magana;J. Noguez;Yoselyn Walsh;A. González;Víctor Robledo;Bedrich Benes
静力学是多个工程学科的主干课程，也是动力学和材料力学的必修课。研究人员已经确定，缺乏理解的静力学的一个重要来源的困难，在概念的理解，表示的自由体图（FBD）和解决问题的能力。我们的方法，以提高学习的摩擦力的概念，侧重于学生的作用力和系统的这种力量的具体组成部分的理解。提出的准实验研究调查如何使用视觉触觉模拟可以提高学生的理解和使用FBD。具体来说，我们比较了两个视觉-触觉模拟;一个明确地在视觉上描绘了与不同表面交互的多个对象的FBD，而另一个只提供触觉反馈，而学生参与相同形式的交互。我们的研究结果表明，使用视觉触觉模拟器与FBD导致更好的学习效果。这些研究结果支持了这一假设，即适当排序的视觉触觉模拟器与精心设计的视觉线索，可以帮助学生更好地理解和使用FBD。
Statics is a backbone course for several engineering disciplines and also a pre-requisite for dynamics and mechanics of materials. Researchers have identified a lack of understanding of statics as a significant source of difficulties in terms of both conceptual understanding, representation of free body diagrams (FBD) and problem-solving ability. Our approach to improve the learning of the concept of friction focuses on students’ understanding of acting forces and specific components of such forces of a system. The presented quasi-experimental study investigates how the use of visuo-haptic simulations can improve students understanding and use of FBD. Specifically, we compared two visuo-haptic simulations; one that explicitly visually depicts FBD of multiple objects interacting with different surfaces, while the other only provides haptic feedback while students engage in the same forms of interaction. Our results suggest that using the visuo-haptic simulator with FBD leads to better learning results. These findings support the hypothesis that appropriately sequenced visuo-haptic simulators with well-designed visual cues can help students to better understand and use FBD.