Synthetic Social Media Influence Experimentation Via an Agentic Reinforcement Learning Large Language Model Bot

Bailu Jin () and Weisi Guo ()

Journal of Artificial Societies and Social Simulation, 2025, vol. 28, issue 3, 6

Abstract: Understanding the dynamics of public opinion evolution on online social platforms is crucial for understanding influence mechanisms and the provenance of information. Traditional influence analysis is typically divided into qualitative assessments of personal attributes (e.g., psychology of influence) and quantitative evaluations of influence power mechanisms (e.g., social network analysis). One challenge faced by researchers is the ethics of real-world experimentation and the lack of social influence data. In this study, we provide a novel simulated environment that combines agentic intelligence with Large Language Models (LLMs) to test topic-specific influence mechanisms ethically. Our framework contains agents that generate posts, form opinions on specific topics, and socially follow/unfollow each other based on the outcome of discussions. This simulation allows researchers to observe the evolution of how opinions form and how influence leaders emerge. Using our own framework, we design an opinion leader that utilizes Reinforcement Learning (RL) to adapt its linguistic interaction with the community to maximize its influence and followers over time. Our current findings reveal that constraining the action space and incorporating self-observation are key factors for achieving stable and consistent opinion leader generation for topic-specific influence. This demonstrates the simulation framework's capacity to create agents that can adapt to complex and unpredictable social dynamics. The work is important in an age of increasing online influence on social attitudes and emerging technologies.

Keywords: Agent-Based Modelling; Large Language Model; Reinforcement Learning (search for similar items in EconPapers)
Date: 2025-06-30
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Persistent link: https://EconPapers.repec.org/RePEc:jas:jasssj:2024-165-4

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