An XGBoost ITS maps multimodal features from 10,360 videos to BARS scores and delivers layered feedback that produced significant skill gains (Cohen's d 0.39-0.90) in a 30-day study of 204 learners.
Evaluating recent advances in affective intelligent tutoring systems: A scoping review of educational impacts and future prospects
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An Interpretable Closed-Loop Intelligent Tutoring System for Multimodal Affective Feedback in Asynchronous Presentation Training
An XGBoost ITS maps multimodal features from 10,360 videos to BARS scores and delivers layered feedback that produced significant skill gains (Cohen's d 0.39-0.90) in a 30-day study of 204 learners.