VTutor for High-Impact Tutoring at Scale: Managing Engagement and Real-Time Multi-Screen Monitoring with P2P Connections
Eason Chen, Xinyi Tang, Aprille Xi, Chenyu Lin, Conrad Borchers, Shivang Gupta, Jionghao Lin, and Kenneth R Koedinger

TL;DR
VTutor is a web-based platform that uses peer-to-peer screen sharing and virtual avatars to enable a single tutor to monitor and support multiple students simultaneously, improving engagement and responsiveness in hybrid tutoring at scale.
Contribution
This paper introduces VTutor, a novel system combining multi-screen monitoring, AI-powered avatars, and real-time feedback to enhance large-scale hybrid tutoring effectiveness.
Findings
Enables tutors to monitor multiple students' screens simultaneously.
Uses virtual avatars to sustain student engagement.
Facilitates proactive intervention for off-task or struggling students.
Abstract
Hybrid tutoring, where a human tutor supports multiple students in learning with educational technology, is an increasingly common application to deliver high-impact tutoring at scale. However, past hybrid tutoring applications are limited in guiding tutor attention to students that require support. Specifically, existing conferencing tools, commonly used in hybrid tutoring, do not allow tutors to monitor multiple students' screens while directly communicating and attending to multiple students simultaneously. To address this issue, this paper introduces VTutor, a web-based platform leveraging peer-to-peer screen sharing and virtual avatars to deliver real-time, context-aware tutoring feedback at scale. By integrating a multi-student monitoring dashboard with AI-powered avatar prompts, VTutor empowers a single educator or tutor to rapidly detect off-task or struggling students and…
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