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About this paper

Min-Seon Kim, Seungdong Yoa, Sanghyu Yoon, Ye Seul Sim, Suhee Yoon, Dongmin Kim, Jung-Eun Kim

The paper examines when agent students need teacher reasoning traces alongside actions. It finds thought removal can preserve performance when actions expose relevant information, but can hurt when they do not. In MathQA, semantic action names raise Qwen2.5-3B-Instruct thought-drop accuracy from 10.7% to 16.7% and retention from 62.6% to 91.3%. These results support selective supervision on tested benchmarks.

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