AI-Mediated Negotiation: Design Reflections and Lessons

Veda Duddu; Jash Rajesh Parekh; Andy Mao; Hanyi Min; Ziang Xiao; Vedant Das Swain; Koustuv Saha

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arXiv · 2606.21886

AI-Mediated Negotiation: Design Reflections and Lessons

Veda Duddu·Jash Rajesh Parekh·Andy Mao·Hanyi Min·Ziang Xiao·Vedant Das Swain·Koustuv Saha

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Abstract

Conversational AI promises a new kind of preparation for high-stakes workplace negotiations -- personalized, interactive, and capable of simulating realistic resistance. That promise is intuitive. We built Trucey, a theory-driven coaching system, to test it. The system encoded four assumptions: that articulation supports clarification, that personalization builds strategic competence, that chunked delivery reduces cognitive load, and that structured scaffolding removes metacognitive burden. A pre-registered experiment (N=267) and interviews (N=15) complicated each of them. Notably, the static handbook we included as a passive control outperformed both AI conditions on empowerment and usability. We reflect on why: each assumption encoded a specific model of how preparation unfolds, and the findings revealed that conversational AI imposes a linear execution model on a task that is fundamentally recursive. We identify an unexamined scope condition on established HAI design guidelines and close with a sequencing principle -- map before path, path before simulation -- for future AI coaching design.

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Veda Duddu, Jash Rajesh Parekh, Andy Mao, Hanyi Min, Ziang Xiao, Vedant Das Swain, Koustuv Saha. 2026-06-20. AI-Mediated Negotiation: Design Reflections and Lessons. https://arxiv.org/abs/2606.21886

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