Generalisable Methods for Early Prediction in Interactive Simulations for Education

• URL: http://arxiv.org/abs/2207.01457v1
• Date: Mon, 4 Jul 2022 14:46:56 GMT
• Title: Generalisable Methods for Early Prediction in Interactive Simulations for Education
• Authors: Jade Ma\"i Cock and Mirko Marras and Christian Giang and Tanja K\"aser
• Abstract summary: Classifying students' interaction data in the simulations based on their expected performance has the potential to enable adaptive guidance. We first measure the students' conceptual understanding through their in-task performance. Then, we suggest a novel type of features that, starting from clickstream data, encodes both the state of the simulation and the action performed by the student.
• Score: 5.725477071353353
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Interactive simulations allow students to discover the underlying principles of a scientific phenomenon through their own exploration. Unfortunately, students often struggle to learn effectively in these environments. Classifying students' interaction data in the simulations based on their expected performance has the potential to enable adaptive guidance and consequently improve students' learning. Previous research in this field has mainly focused on a-posteriori analyses or investigations limited to one specific predictive model and simulation. In this paper, we investigate the quality and generalisability of models for an early prediction of conceptual understanding based on clickstream data of students across interactive simulations. We first measure the students' conceptual understanding through their in-task performance. Then, we suggest a novel type of features that, starting from clickstream data, encodes both the state of the simulation and the action performed by the student. We finally propose to feed these features into GRU-based models, with and without attention, for prediction. Experiments on two different simulations and with two different populations show that our proposed models outperform shallow learning baselines and better generalise to different learning environments and populations. The inclusion of attention into the model increases interpretability in terms of effective inquiry. The source code is available on Github (https://github.com/epfl-ml4ed/beerslaw-lab.git).

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