Publications

2025

The Impact of Group Discussion and Formation on Student Performance: An Experience Report in a Large CS1 Course

Tong Wu , Xiaohang Tang , Sam Wong , Xi Chen , Cliff Shaffer , Yan Chen

SPHERE: Scaling Personalized Feedback in Programming Classrooms with Structured Review of LLM Outputs

Xiaohang Tang , Sam Wong , Marcus Huynh , Zicheng He , Yalong Yang , Yan Chen

2024

VizGroup: An AI-assisted Event-driven System for Collaborative Programming Learning Analytics

Xiaohang Tang , Sam Wong , Kevin Pu , Xi Chen , Yalong Yang , Yan Chen

2023

VizPI: A Real-Time Visualization Tool for Enhancing Peer Instruction in Large-Scale Programming Lectures

Xiaohang Tang , Xi Chen , Sam Wong , Yan Chen