Who Am I? History-Aware Profiles for Student Simulation in Tutoring Dialogues

• URL: http://arxiv.org/abs/2605.30051v1
• Date: Thu, 28 May 2026 15:02:51 GMT
• Title: Who Am I? History-Aware Profiles for Student Simulation in Tutoring Dialogues
• Abstract summary: We introduce the task of history-conditioned student simulation.<n>The goal is to accurately predict student dialogue turns by leveraging information in the student's learning history.<n>We train both components with reinforcement learning (RL), yielding profiles optimized for faithful student simulation.
• Score: 42.74448763964845
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: A key part of developing large language model (LLM)-powered, automated tutoring tools is student simulation, i.e., using LLMs to role-play as students, which can facilitate tutor model evaluation and training. Existing work mostly focuses on within-dialogue simulation, which lacks context on student knowledge and behavior, partly due to not grounding in past student question-answering or dialogue interactions. In this work, we introduce the task of history-conditioned student simulation, where the goal is to accurately predict student dialogue turns by leveraging information in the student's learning history. We propose a two-component framework in which a profile generator summarizes a student's history and a simulator predicts student turns conditioned on the resulting profile. We train both components with reinforcement learning (RL), yielding profiles optimized for faithful student simulation. We evaluate our method and baselines on the first-of-its-kind real-world dataset of student dialogues and question responses that we collect from a math learning platform. Extensive experiments show that our method significantly outperforms baselines, and demonstrate the importance of history, profiles, and RL training.

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