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arXiv 2402.04049cs.CLcs.AI
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辩论的LLM模拟中的系统性偏见

Systematic Biases in LLM Simulations of Debates

Faculty of Data and Decision Sciences, Technion(以色列理工学院数据与决策科学学院);The Hebrew University of Jerusalem(耶路撒冷希伯来大学);Google Research(谷歌研究院);Hebrew University Business School(希伯来大学商学院);Federmann Center for the Study of Rationality, Hebrew University(希伯来大学费德曼理性研究中心);Department of Cognitive and Brain Sciences, Hebrew University(希伯来大学认知与脑科学系)

Amir Taubenfeld, Yaniv Dover, Roi Reichart, Ariel Goldstein

AI总结:

本研究揭示LLM在模拟政治辩论时存在系统性偏见,导致行为偏离人类动态,并利用自微调方法验证,强调需开发克服偏见的方法以实现更真实模拟。

摘要:

大型语言模型(LLMs)的出现,为构建旨在准确复制人类行为的计算模拟开辟了令人兴奋的可能性。当前研究表明,基于LLM的智能体在其表现上变得越来越像人类,这激发了人们对于在行为研究中使用这些AI智能体作为人类参与者替代品的兴趣。然而,LLMs是复杂的统计学习者,没有直接的演绎规则,因此容易产生意外行为。因此,研究并指出人类与基于LLM的智能体之间的关键行为差异至关重要。在本研究中,我们强调了LLMs在模拟人类互动方面的局限性,特别关注LLMs模拟政治辩论的能力,这些辩论涉及人们日常生活和决策过程中的重要方面。我们的研究结果表明,尽管被指示从特定政治视角进行辩论,LLM智能体仍倾向于符合模型固有的社会偏见。这种倾向导致的行为模式似乎偏离了人类中公认的社会动态。我们通过一种自动自微调方法强化了这些观察,该方法使我们能够操纵LLM内部的偏见,并证明智能体随后与改变的偏见保持一致。这些结果强调了进一步研究开发帮助智能体克服这些偏见的方法的必要性,这是迈向创建更真实模拟的关键一步。

英文摘要:

The emergence of Large Language Models (LLMs), has opened exciting possibilities for constructing computational simulations designed to replicate human behavior accurately. Current research suggests that LLM-based agents become increasingly human-like in their performance, sparking interest in using these AI agents as substitutes for human participants in behavioral studies. However, LLMs are complex statistical learners without straightforward deductive rules, making them prone to unexpected behaviors. Hence, it is crucial to study and pinpoint the key behavioral distinctions between humans and LLM-based agents. In this study, we highlight the limitations of LLMs in simulating human interactions, particularly focusing on LLMs' ability to simulate political debates on topics that are important aspects of people's day-to-day lives and decision-making processes. Our findings indicate a tendency for LLM agents to conform to the model's inherent social biases despite being directed to debate from certain political perspectives. This tendency results in behavioral patterns that seem to deviate from well-established social dynamics among humans. We reinforce these observations using an automatic self-fine-tuning method, which enables us to manipulate the biases within the LLM and demonstrate that agents subsequently align with the altered biases. These results underscore the need for further research to develop methods that help agents overcome these biases, a critical step toward creating more realistic simulations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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