arXiv AI By Fares Fawzi, Jiaxu Zhao, Tanya Nazaretsky, Tanja K\"aser

PIVOT: Preference-based Intervention Vectors for Pedagogical Tutor Steering

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arXiv:2608. 07509v1 Announce Type: cross Abstract: LLMs are increasingly used for conversational tutoring, but effective tutoring requires more than correct answers.

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arXiv Computation and Language
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LLM Pedagogical Behavior in AI Tutoring Interactions

arXiv:2608.22993v1 Announce Type: new Abstract: Students increasingly use LLMs as tutors for coursework and problem solving. Little is known about the level of assistance LLMs provide when students u...

By Suhyeon Lee, Juneha Baek, Jaehyeong Park, Donghyuk Shin
arXiv AI
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Mitigating Scaffolding Collapse in Socratic Tutors via Representation Alignment

arXiv:2607. 19371v1 Announce Type: new Abstract: Large language model (LLM)-based Socratic tutors increasingly guide students through multi-turn questioning, but they can suffer from scaffolding collapse: under sustained student pressure, a tutor gradually abandons guided inquiry and reveals solutions directly.

By Jing Shao, Qifeng Wu, Hanyu Zhang, Sixia Sun, Jun Zhuang
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PEARL: Training Socratic Tutors with Pedagogically Aligned Reinforcement Learning

PEARL is a framework that trains Socratic tutoring agents using pedagogically aligned reinforcement learning. It introduces a controllable student simulator to model diverse cognitive states, a reward model that jointly evaluates pedagogical quality and correctness, and a stable multi‑objective RL approach to balance competing tutoring goals. Experiments demonstrate that PEARL competes with both open‑source tutoring systems and leading proprietary LLMs.

By Qikai Chang, Zhenrong Zhang, Linbo Chen, Pengfei Hu, Jianshu Zhang, Youhui Guo, Jun Du