2015 | OriginalPaper | Chapter
DeepStealth: Leveraging Deep Learning Models for Stealth Assessment in Game-Based Learning Environments
Authors : Wookhee Min, Megan H. Frankosky, Bradford W. Mott, Jonathan P. Rowe, Eric Wiebe, Kristy Elizabeth Boyer, James C. Lester
Published in: Artificial Intelligence in Education
Publisher: Springer International Publishing
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A distinctive feature of intelligent game-based learning environments is their capacity for enabling stealth assessment. Stealth assessments gather information about student competencies in a manner that is invisible, and enable drawing valid inferences about student knowledge. We present a framework for stealth assessment that leverages
deep learning
, a family of machine learning methods that utilize deep artificial neural networks, to infer student competencies in a game-based learning environment for middle grade computational thinking, E
ngage
. Students’ interaction data, collected during a classroom study with E
ngage
, as well as prior knowledge scores, are utilized to train deep networks for predicting students’ post-test performance. Results indicate deep networks that are pre-trained using stacked denoising autoencoders achieve high predictive accuracy, significantly outperforming standard classification techniques such as support vector machines and naïve Bayes. The findings suggest that deep learning shows considerable promise for automatically inducing stealth assessment models for intelligent game-based learning environments.