Is "A Helpful Assistant" the Best Role for Large Language Models? A Systematic Evaluation of Social Roles in System Prompts. - Mingqian Zheng; Jiaxin Pei; David Jurgens (CoRR, 2023)

When "A Helpful Assistant" Is Not Really Helpful: Personas in System Prompts Do Not Improve Performances of Large Language Models. - Mingqian Zheng; Jiaxin Pei; Lajanugen Logeswaran; Moontae Lee; David Jurgens (EMNLP (Findings), 2024)

Causally Modeling the Linguistic and Social Factors that Predict Email Response. - Yinuo Xu; Hong Chen; Sushrita Rakshit; Aparna Ananthasubramaniam; Omkar Yadav; Mingqian Zheng; Michael Jiang; Lechen Zhang; Bowen Yi; Kenan Alkiek; Abraham Israeli; Bangzhao Shu; et al. (NAACL (Long Papers), 2025)

Let Them Down Easy! Contextual Effects of LLM Guardrails on User Perceptions and Preferences. - Mingqian Zheng; Wenjia Hu; Patrick Zhao; Motahhare Eslami; Jena D. Hwang; Faeze Brahman; Carolyn Rose; Maarten Sap (CoRR, 2025)

Synthetic Socratic Debates: Examining Persona Effects on Moral Decision and Persuasion Dynamics. - Jiarui Liu 004; Yueqi Song; Yunze Xiao; Mingqian Zheng; Lindia Tjuatja; Jana Schaich Borg; Mona T. Diab; Maarten Sap (CoRR, 2025)