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Related papers: Tracing Persona Vectors Through LLM Pretraining

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This study investigates the efficacy of Large Language Models (LLMs) in causal discovery. Using newly available open-source LLMs, OLMo and BLOOM, which provide access to their pre-training corpora, we investigate how LLMs address causal…

Computation and Language · Computer Science 2025-10-13 Tao Feng , Lizhen Qu , Niket Tandon , Zhuang Li , Xiaoxi Kang , Gholamreza Haffari

In this work, we tackle the challenge of embedding realistic human personality traits into LLMs. Previous approaches have primarily focused on prompt-based methods that describe the behavior associated with the desired personality traits,…

Computation and Language · Computer Science 2025-07-30 Wenkai Li , Jiarui Liu , Andy Liu , Xuhui Zhou , Mona Diab , Maarten Sap

Large Language Models increasingly mediate high-stakes interactions, intensifying research on their capabilities and safety. While recent work has shown that LLMs exhibit consistent and measurable synthetic personality traits, little is…

Artificial Intelligence · Computer Science 2025-09-23 Stephen Fitz , Peter Romero , Steven Basart , Sipeng Chen , Jose Hernandez-Orallo

This study introduces a methodological framework that uses large language models to create virtual personas of real top managers. Drawing on real CEO communications and Moral Foundations Theory, we construct LLM-based participants that…

Computation and Language · Computer Science 2026-01-27 Antonio Garzon-Vico , Krithika Sharon Komalapati , Arsalan Shahid , Jan Rosier

Large language models (LLMs) have shown impressive performance by generating reasoning paths before final answers, but learning such a reasoning path requires costly human supervision. To address this issue, recent studies have explored…

Machine Learning · Computer Science 2025-05-26 Hyosoon Jang , Yunhui Jang , Sungjae Lee , Jungseul Ok , Sungsoo Ahn

As large language models (LLMs) and LLM-based agents increasingly interact with humans in decision-making contexts, understanding the trust dynamics between humans and AI agents becomes a central concern. While considerable literature…

Computation and Language · Computer Science 2026-04-16 Valeria Lerman , Yaniv Dover

It has been reported that LLMs can recognize their own writing. As this has potential implications for AI safety, yet is relatively understudied, we investigate the phenomenon, seeking to establish whether it robustly occurs at the…

Machine Learning · Computer Science 2026-05-19 Christopher Ackerman , Nina Panickssery

Large Language Model (LLM) agents are increasingly deployed in settings where they interact with a wide variety of people, including users who are unclear, impatient, or reluctant to share information. However, collecting real interaction…

Artificial Intelligence · Computer Science 2026-05-14 Harshita Chopra , Kshitish Ghate , Aylin Caliskan , Tadayoshi Kohno , Chirag Shah , Natasha Jaques

Large language models (LLMs) exhibit human-like intelligence, enabling them to simulate human behavior and support various applications that require both humanized communication and extensive knowledge reserves. Efforts are made to…

Computation and Language · Computer Science 2025-05-16 Zheni Zeng , Jiayi Chen , Huimin Chen , Yukun Yan , Yuxuan Chen , Zhenghao Liu , Zhiyuan Liu , Maosong Sun

Large language models (LLMs) are increasingly being used in human-centered social scientific tasks, such as data annotation, synthetic data creation, and engaging in dialog. However, these tasks are highly subjective and dependent on human…

Computation and Language · Computer Science 2024-10-18 Salvatore Giorgi , Tingting Liu , Ankit Aich , Kelsey Isman , Garrick Sherman , Zachary Fried , João Sedoc , Lyle H. Ungar , Brenda Curtis

Large Language Models (LLMs) are increasingly being utilized by both candidates and employers in the recruitment context. However, with this comes numerous ethical concerns, particularly related to the lack of transparency in these…

Computation and Language · Computer Science 2024-02-16 Airlie Hilliard , Cristian Munoz , Zekun Wu , Adriano Soares Koshiyama

Large language models (LLMs) have shown remarkable promise in simulating human language and behavior. This study investigates how integrating persona variables-demographic, social, and behavioral factors-impacts LLMs' ability to simulate…

Computation and Language · Computer Science 2024-06-18 Tiancheng Hu , Nigel Collier

Large language models (LLMs) work by manipulating the geometry of input embedding vectors over multiple layers. Here, we ask: how are the input vocabulary representations of language models structured, and how and when does this structure…

Computation and Language · Computer Science 2025-10-10 Isabel Papadimitriou , Jacob Prince

Recent Large Language Model (LLM) based AI can exhibit recognizable and measurable personality traits during conversations to improve user experience. However, as human understandings of their personality traits can be affected by their…

Human-Computer Interaction · Computer Science 2026-01-21 Jingshu Li , Tianqi Song , Nattapat Boonprakong , Zicheng Zhu , Yitian Yang , Yi-Chieh Lee

In autoregressive large language models (LLMs), temporal straightening offers an account of how the next-token prediction objective shapes representations. Models learn to progressively straighten the representational trajectory of input…

Artificial Intelligence · Computer Science 2026-04-28 Jack King , Evelina Fedorenko , Eghbal A. Hosseini

This study proposes a framework that employs personality prompting with Large Language Models to generate verbal and nonverbal behaviors for virtual agents based on personality traits. Focusing on extraversion, we evaluated the system in…

Human-Computer Interaction · Computer Science 2025-09-01 Bin Han , Deuksin Kwon , Spencer Lin , Kaleen Shrestha , Jonathan Gratch

Reward models (RMs) are central to aligning large language models (LLMs) with human values but have received less attention than pretrained and post-trained LLMs themselves. Because RMs are initialized from LLMs, they inherit…

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

As Large Language Models (LLMs) continue to gain popularity due to their human-like traits and the intimacy they offer to users, their societal impact inevitably expands. This leads to the rising necessity for comprehensive studies to fully…

Artificial Intelligence · Computer Science 2025-01-07 Bojana Bodroza , Bojana M. Dinic , Ljubisa Bojic

Accurate assessment of personality traits is crucial for effective psycho-counseling, yet traditional methods like self-report questionnaires are time-consuming and biased. This study exams whether Large Language Models (LLMs) can predict…

Computation and Language · Computer Science 2024-06-26 Yang Yan , Lizhi Ma , Anqi Li , Jingsong Ma , Zhenzhong Lan