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Related papers: Quantifying the Persona Effect in LLM Simulations

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Despite the many use cases for large language models (LLMs) in creating personalized chatbots, there has been limited research on evaluating the extent to which the behaviors of personalized LLMs accurately and consistently reflect specific…

Computation and Language · Computer Science 2024-04-03 Hang Jiang , Xiajie Zhang , Xubo Cao , Cynthia Breazeal , Deb Roy , Jad Kabbara

The advent of large language models (LLMs) has revolutionized natural language processing, enabling the generation of coherent and contextually relevant human-like text. As LLMs increasingly powerconversational agents used by the general…

Large Language Models (LLMs) have emerged as powerful support tools across various natural language tasks and a range of application domains. Recent studies focus on exploring their capabilities for data annotation. This paper provides a…

Computation and Language · Computer Science 2025-07-01 Maja Pavlovic , Massimo Poesio

The output of large language models (LLMs) is unstable, due both to non-determinism of the decoding process as well as to prompt brittleness. While the intrinsic non-determinism of LLM generation may mimic existing uncertainty in human…

Computation and Language · Computer Science 2025-11-10 Jiahui Li , Sean Papay , Roman Klinger

Imbuing Large Language Models (LLMs) with specific personas is prevalent for tailoring interaction styles, yet the impact on underlying cognitive capabilities remains unexplored. We employ the Neuron-based Personality Trait Induction (NPTI)…

Computation and Language · Computer Science 2026-05-13 Jiaqi Chen , Ming Wang , Tingna Xie , Shi Feng , Yongkang Liu

This research focuses on using large language models (LLMs) to simulate social experiments, exploring their ability to emulate human personality in virtual persona role-playing. The research develops an end-to-end evaluation framework,…

Computers and Society · Computer Science 2025-10-15 Yuqi Bai , Tianyu Huang , Kun Sun , Yuting Chen

The influence of personas on Large Language Models (LLMs) has been widely studied, yet their direct impact on performance remains uncertain. This work explores a novel approach to guiding LLM behaviour through role vectors, an alternative…

Computation and Language · Computer Science 2025-02-18 Daniele Potertì , Andrea Seveso , Fabio Mercorio

The recent surge of versatile large language models (LLMs) largely depends on aligning increasingly capable foundation models with human intentions by preference learning, enhancing LLMs with excellent applicability and effectiveness in a…

Computation and Language · Computer Science 2024-06-19 Ruili Jiang , Kehai Chen , Xuefeng Bai , Zhixuan He , Juntao Li , Muyun Yang , Tiejun Zhao , Liqiang Nie , Min Zhang

Large language models (LLMs) are increasingly used to simulate human decision-making, but their intrinsic biases often diverge from real human behavior--limiting their ability to reflect population-level diversity. We address this challenge…

Computer Science and Game Theory · Computer Science 2025-08-27 Ayato Kitadai , Yusuke Fukasawa , Nariaki Nishino

Role-play prompting is known to steer the behavior of language models by injecting a persona into the prompt, improving their zero-shot reasoning capabilities. However, such improvements are inconsistent across different tasks or instances.…

Computation and Language · Computer Science 2026-01-23 Junseok Kim , Nakyeong Yang , Kyomin Jung

People naturally vary in their annotations for subjective questions and some of this variation is thought to be due to the person's sociodemographic characteristics. LLMs have also been used to label data, but recent work has shown that…

Computation and Language · Computer Science 2025-03-03 Matthias Orlikowski , Jiaxin Pei , Paul Röttger , Philipp Cimiano , David Jurgens , Dirk Hovy

The use of Large Language Models (LLMs) for simulating user behavior in the domain of Interactive Information Retrieval has recently gained significant popularity. However, their application and capabilities remain highly debated and…

Information Retrieval · Computer Science 2025-05-07 Andreas Konstantin Kruff , Timo Breuer , Philipp Schaer

Human evaluation is increasingly critical for assessing large language models, capturing linguistic nuances, and reflecting user preferences more accurately than traditional automated metrics. However, the resource-intensive nature of this…

Computation and Language · Computer Science 2023-10-24 Meriem Boubdir , Edward Kim , Beyza Ermis , Marzieh Fadaee , Sara Hooker

Persona prompting can steer LLM generation towards a domain-specific tone and pattern. This behavior enables use cases in multi-agent systems where diverse interactions are crucial and human-centered tasks require high-level human…

Artificial Intelligence · Computer Science 2026-03-20 Zizhao Hu , Mohammad Rostami , Jesse Thomason

Reasoning in humans is prone to biases due to underlying motivations like identity protection, that undermine rational decision-making and judgment. This \textit{motivated reasoning} at a collective level can be detrimental to society when…

Artificial Intelligence · Computer Science 2026-04-20 Saloni Dash , Amélie Reymond , Emma S. Spiro , Aylin Caliskan

Utilizing user profiles to personalize Large Language Models (LLMs) has been shown to enhance the performance on a wide range of tasks. However, the precise role of user profiles and their effect mechanism on LLMs remains unclear. This…

Computation and Language · Computer Science 2024-06-27 Bin Wu , Zhengyan Shi , Hossein A. Rahmani , Varsha Ramineni , Emine Yilmaz

Large Language Models (LLMs) have shown impressive potential to simulate human behavior. We identify a fundamental challenge in using them to simulate experiments: when LLM-simulated subjects are blind to the experimental design (as is…

Artificial Intelligence · Computer Science 2025-11-25 George Gui , Olivier Toubia

In recent years, large language models (LLMs) have achieved breakthrough progress in many dialogue generation tasks. However, their lack of emotion and fine-grained role awareness limits the model's ability to provide personalized and…

Computation and Language · Computer Science 2025-03-26 Ke Ji , Yixin Lian , Linxu Li , Jingsheng Gao , Weiyuan Li , Bin Dai

Can out-of-the-box pretrained Large Language Models (LLMs) detect human affect successfully when observing a video? To address this question, for the first time, we evaluate comprehensively the capacity of popular LLMs for successfully…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 David Melhart , Matthew Barthet , Georgios N. Yannakakis

Persona-assigned large language models (LLMs) are used in domains such as education, healthcare, and sociodemographic simulation. Yet, they are typically evaluated only in short, single-round settings that do not reflect real-world usage.…

Computation and Language · Computer Science 2026-01-21 Pedro Henrique Luz de Araujo , Michael A. Hedderich , Ali Modarressi , Hinrich Schuetze , Benjamin Roth