Understanding the Thinking Process of Reasoning Models: A Perspective from Schoenfeld's Episode Theory

• URL: http://arxiv.org/abs/2509.14662v1
• Date: Thu, 18 Sep 2025 06:42:41 GMT
• Title: Understanding the Thinking Process of Reasoning Models: A Perspective from Schoenfeld's Episode Theory
• Authors: Ming Li, Nan Zhang, Chenrui Fan, Hong Jiao, Yanbin Fu, Sydney Peters, Qingshu Xu, Robert Lissitz, Tianyi Zhou,
• Abstract summary: We introduce a novel approach by applying Schoenfeld's Episode Theory to analyze the reasoning traces of Large Reasoning Models.<n>We annotated thousands of sentences and paragraphs from model-generated solutions to math problems using seven cognitive labels.<n>Our preliminary analysis reveals distinct patterns in LRM reasoning, such as the transition dynamics between cognitive states.
• Score: 17.17769349034675
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While Large Reasoning Models (LRMs) generate extensive chain-of-thought reasoning, we lack a principled framework for understanding how these thoughts are structured. In this paper, we introduce a novel approach by applying Schoenfeld's Episode Theory, a classic cognitive framework for human mathematical problem-solving, to analyze the reasoning traces of LRMs. We annotated thousands of sentences and paragraphs from model-generated solutions to math problems using seven cognitive labels (e.g., Plan, Implement, Verify). The result is the first publicly available benchmark for the fine-grained analysis of machine reasoning, including a large annotated corpus and detailed annotation guidebooks. Our preliminary analysis reveals distinct patterns in LRM reasoning, such as the transition dynamics between cognitive states. This framework provides a theoretically grounded methodology for interpreting LRM cognition and enables future work on more controllable and transparent reasoning systems.

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