融合知识技能与实验能力的虚拟仿真实验学习达成度赋分模型

LearniNg Achievement Scoring Model Integrating Skills of Knowledge and Capabilities of Experiment in Virtual Simulation Experiments

  • 摘要: 针对当前虚拟仿真实验教学中忽视学生个体差异与实验过程能力提升等问题,构建了一种融合知识技能与实验能力的虚拟仿真实验学习达成度赋分模型,旨在通过多维度指标实现对学生实验效果的综合评估。首先,从知识技能层面提出了包含最佳实验成绩与实验时长等评估指标,从实验能力层面提出了涵盖初始技能水平、技能提升率及技能稳定性的实验能力评估指标;其次,基于熵权法确定了各指标权重,引入综合评分公式量化学生的实验表现;最后,以智能网联场景下的信号交叉口协同控制虚拟仿真实验为例进行实证研究,基于赋分模型计算结果将学生分为先天禀赋型、训练养成型与支持辅导型三类,在对学生实验结果精准评价基础上,实现了对学生实验能力的综合评价,充分体现了虚拟仿真实验的本真目的。

     

    Abstract: To address the current issues in virtual simulation experiment education, such as the neglect of individual student differences and insufficient emphasis on cultivating experimental process capabilities, this study constructs a virtual simulation experiment learning achievement scoring model that integrates knowledge skills and experimental competencies. The model aims to achieve comprehensive evaluation of student experimental outcomes through multidimensional indicators. Firstly, assessment metrics are proposed from two dimensions: knowledge skills (including optimal experiment scores and time consumption) and experimental capabilities (covering initial skill levels, skill improvement rates, and skill stability). Secondly, the entropy weight method is employed to determine indicator weights, coupled with a comprehensive scoring formula to quantify student performance. Finally, an empirical study is conducted using the virtual simulation experiment of cooperative control at signalized intersections in intelligent connected scenarios. Based on the scoring model calculations, students are categorized into three types: innate aptitude, trained development, and supported tutoring. This approach enables precise evaluation of experimental outcomes while achieving comprehensive assessment of students' experimental capabilities, thereby fully manifesting the authentic purpose of virtual simulation experiments.

     

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