Preference vs. Performance: EEG-Based Classification of Learner Engagement in Multimodal Instruction

📅 2026-10-04
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🤖 AI Summary
This study addresses the limitations of static user profiles in adaptive learning systems and the ongoing debate surrounding the matching hypothesis by investigating the relationship between instructional preferences and neurophysiological engagement. Integrating multimodal learning analytics (MMLA) with electroencephalography (EEG), brain signals were acquired using Emotiv EPOC X and OpenBCI devices. Through spectral analysis and binary logistic regression modeling, the research quantified how learning preferences modulate neural markers of attention and cognitive processing across multimodal contexts. Results indicate that while revealing preferences did not directly enhance academic performance, it significantly modulated theta and alpha band activity, with OpenBCI achieving a classification accuracy of 83.21%. This work validates the feasibility of quantifying learning engagement via neural signals, providing a non-invasive input foundation for adaptive algorithms.
📝 Abstract
Effective adaptive instructional systems require robust measures of learner engagement that go beyond static user profiles. This study employs Multimodal Learning Analytics (MMLA) to investigate the relationship between self-reported instructional modality preferences and objective neurophysiological markers of engagement. Thirty-seven participants engaged with learning content delivered via varying modalities (visual, auditory, reading/writing, kinesthetic). We captured real-time neural activity using two EEG devices: the Emotiv EpocX (14 channels, 128 Hz) and OpenBCI (16 channels, 125 Hz). Preferences were assessed using the VARK questionnaire. Consistent with literature challenging the"meshing hypothesis,"aligning instructional modality with stated preferences did not significantly predict performance gains. However, spectral analysis of EEG data revealed divergent engagement patterns: when content aligned with preferences, distinct neural activity patterns emerged in theta and alpha frequency bands-markers associated with attention and cognitive processing. These signals were used to train a binary logistic regression classifier, achieving a mean accuracy of 83.21% with OpenBCI and 56.27% with Emotiv EpocX. These findings suggest that while self-reported preferences may not dictate learning outcomes, they significantly influence neurophysiological engagement, offering a viable, non-invasive input for adaptive educational algorithms.
Problem

Research questions and friction points this paper is trying to address.

learner engagement
multimodal instruction
EEG
modality preference
adaptive instructional systems
Innovation

Methods, ideas, or system contributions that make the work stand out.

Multimodal Learning Analytics
EEG-based Classification
Learner Engagement
Spectral Analysis
Adaptive Instructional Systems
S
Sri Jahnavi Adusumilli
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA
D
Deepak Giri
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA; Department of Media and Information, Michigan State University, East Lansing, MI 48918 USA
P
Pallavi Vaswani
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA
P
Pallavi Singh
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA
M
Megha Moncy
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA
L
Lalitha Pranathi Pulavarthy
Department of Biomedical Engineering and Informatics, Indiana University, Indianapolis, IN 46202 USA
Saptarshi Purkayastha
Saptarshi Purkayastha
Indiana University Indianapolis
global healthEHRimaging informaticsmHealthinformation infrastructure