A Crowdsourced Approach to Student Engagement Recognition in e-Learning Environments

Kamath, A and Biswas, A and Balasubramanian, Vineeth N (2016) A Crowdsourced Approach to Student Engagement Recognition in e-Learning Environments. In: IEEE Winter Conference on Applications of Computer Vision (WACV), MAR 07-10, 2016, Lake Placid, NY.

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Abstract

Massive Open Online Courses (MOOCs) have initiated a revolution in higher education by providing opportunities for interested students to learn from the comfort of their individual locations at their desired pace. However, an important and highly successful aspect of traditional classroom education/pedagogy, which is modulating content delivery based on understanding real-time student feedback, is conspicuously missing in such e-learning environments. We aim to bridge this gap by proposing a system for automatic recognition of students engagement levels during e-learning sessions, using a crowdsourced discriminative learning approach. The key contributions of this work include a custom dataset for engagement recognition that will be made publicly available with corresponding crowdsourced non-aggregated labels, as well as a novel instance-weighted Multiple Kernel Learning SVM method that can directly consider vote distributions from crowdsourcing platforms in the learning methodology. Our results showed a 14% improvement on the dataset against traditional methods, and a 46% improvement when the most ambiguous class from the dataset is ignored, corroborating the promise of the method.

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