Data mining is known to have a potential for predicting user performance. However, there are few studies that explore its potential for predicting student behavior in a procedural training environment. This paper presents a collective student model, which is built from past student logs. These logs are firstly grouped into clusters. Then an extended automaton is created for each cluster based on the sequences of events found in the cluster logs. The main objective of this model is to predict the actions of new students for improving the tutoring feedback provided by an intelligent tutoring system. The proposed model has been validated using student logs collected in a 3D virtual laboratory for teaching biotechnology. As a result of this validation, we concluded that the model can provide reasonably good predictions and can support tutoring feedback that is better adapted to each student type.
翻译:数据挖掘在预测用户表现方面具有公认的潜力。然而,鲜有研究探索其在程序化训练环境中预测学生行为的潜力。本文提出了一种基于过往学生日志构建的集体学生模型。这些日志首先被分组为若干簇。随后,根据每个簇的日志中发现的事件序列,为该簇创建一个扩展自动机。该模型的主要目标是预测新学生的行为,以改进智能辅导系统所提供的辅导反馈。所提出的模型已通过在一个用于生物技术教学的3D虚拟实验室中收集的学生日志进行了验证。验证结果表明,该模型能够提供相当良好的预测,并能够支持更适应各类学生特点的辅导反馈。