@article{evaluatinganevidenceguidedreinforcementl, title = {An evidence-guided reinforcement learning method to improve psychiatric reasoning in small language models}, author = {Xinxin Lin and Guangxin Dai and Yi Zhong and Xiang Li and Xue Xiao and Yixin Zhang and Zhengdong Wu and Yongbo Zheng and Runchuan Zhu and Ming Zhao and Huizi Yu and Shuo Wu and Jun Zhao and Lingming Hu and Yumei Wang and Ping Yin and Joey W. Y. Chan and Ngan Yin Chan and Sijing Chen and Yun Kwok Wing and Lin Lu and Xin Ma and Lizhou Fan}, year = {2026}, eprint = {2602.06449}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2602.06449}, }