Should I Trust You? Detecting Deception in Negotiations using Counterfactual RL

• URL: http://arxiv.org/abs/2502.12436v2
• Date: Fri, 21 Feb 2025 19:52:58 GMT
• Title: Should I Trust You? Detecting Deception in Negotiations using Counterfactual RL
• Authors: Wichayaporn Wongkamjan, Yanze Wang, Feng Gu, Denis Peskoff, Jonathan K. Kummerfeld, Jonathan May, Jordan Lee Boyd-Graber,
• Abstract summary: We analyze how humans strategically deceive each other in textitDiplomacy, a board game that requires both natural language communication and strategic reasoning.<n>Our method detects human deception with a high precision when compared to a Large Language Model approach.<n>Future human-abrai interaction tools can build on our methods for deception detection by triggering textitfriction to give users a chance of interrogating suspicious proposals.
• Score: 30.6942857922867
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: An increasingly prevalent socio-technical problem is people being taken in by offers that sound ``too good to be true'', where persuasion and trust shape decision-making. This paper investigates how \abr{ai} can help detect these deceptive scenarios. We analyze how humans strategically deceive each other in \textit{Diplomacy}, a board game that requires both natural language communication and strategic reasoning. This requires extracting logical forms of proposed agreements in player communications and computing the relative rewards of the proposal using agents' value functions. Combined with text-based features, this can improve our deception detection. Our method detects human deception with a high precision when compared to a Large Language Model approach that flags many true messages as deceptive. Future human-\abr{ai} interaction tools can build on our methods for deception detection by triggering \textit{friction} to give users a chance of interrogating suspicious proposals.

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