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arXiv 2311.05297cs.CLcs.AIcs.LG

挑战大语言模型人格测试的有效性

Challenging the Validity of Personality Tests for Large Language Models

Max Planck Institute for Intelligent Systems(马克斯·普朗克智能系统研究所);Tübingen AI Center(蒂宾根人工智能中心);ETH Zurich(苏黎世联邦理工学院);Methods Center(方法中心);University of Tübingen(蒂宾根大学)

Tom Sühr, Florian E. Dorner, Samira Samadi, Augustin Kelava

AI总结:

本研究发现LLM在人格测试中的回答系统性偏离人类,反向计分项目常被同时肯定,且提示词引导的人格变异不符合人类五因素模型,质疑了LLM人格测试的有效性。

摘要:

随着GPT-4等大语言模型(LLM)在文本交互中表现得越来越像人类,使用最初为人类开发的问卷来评估LLM的人格特质变得流行。虽然复用测量工具是评估LLM的高效方法,但通常需要仔细调整以确保评估结果即使在人类子群体中也有效。在本研究中,我们提供证据表明,LLM对人格测试的回答系统性地偏离人类回答,这意味着这些测试的结果不能以相同的方式解释。具体而言,反向计分项目(“我是内向的”与“我是外向的”)通常都被肯定回答。此外,旨在“引导”LLM模拟特定人格类型的提示词之间的差异,并不遵循人类样本中五个独立人格因子的清晰划分。鉴于这些结果,我们认为在就LLM的“人格”等可能定义不清的概念得出强结论之前,调查测试对LLM的有效性非常重要。

英文摘要:

With large language models (LLMs) like GPT-4 appearing to behave increasingly human-like in text-based interactions, it has become popular to attempt to evaluate personality traits of LLMs using questionnaires originally developed for humans. While reusing measures is a resource-efficient way to evaluate LLMs, careful adaptations are usually required to ensure that assessment results are valid even across human subpopulations. In this work, we provide evidence that LLMs' responses to personality tests systematically deviate from human responses, implying that the results of these tests cannot be interpreted in the same way. Concretely, reverse-coded items ("I am introverted" vs. "I am extraverted") are often both answered affirmatively. Furthermore, variation across prompts designed to "steer" LLMs to simulate particular personality types does not follow the clear separation into five independent personality factors from human samples. In light of these results, we believe that it is important to investigate tests' validity for LLMs before drawing strong conclusions about potentially ill-defined concepts like LLMs' "personality".

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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