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We present a novel approach for integrating Myers-Briggs Type Indicator (MBTI) personality traits into large language models (LLMs), addressing the challenges of personality consistency in personalized AI. Our method, "Machine Mindset,"…

Computation and Language · Computer Science 2024-06-04 Jiaxi Cui , Liuzhenghao Lv , Jing Wen , Rongsheng Wang , Jing Tang , YongHong Tian , Li Yuan

Psychological constructs within individuals are widely believed to be interconnected. We investigated whether and how Large Language Models (LLMs) can model the correlational structure of human psychological traits from minimal quantitative…

Artificial Intelligence · Computer Science 2026-03-24 Yi-Fei Liu , Yi-Long Lu , Di He , Hang Zhang

Large language models (LLMs) exhibit distinct and consistent personalities that greatly impact trust and engagement. While this means that personality frameworks would be highly valuable tools to characterize and control LLMs' behavior,…

Computation and Language · Computer Science 2026-01-19 Michel Frising , Daniel Balcells

With the increasing deployment of large language models (LLMs) in affective agents and AI systems, maintaining a consistent and authentic LLM personality becomes critical for user trust and engagement. However, existing work overlooks a…

Computation and Language · Computer Science 2026-02-03 Jiongchi Yu , Yuhan Ma , Xiaoyu Zhang , Junjie Wang , Qiang Hu , Chao Shen , Xiaofei Xie

Large language models has catalyzed the development of personalized dialogue systems, numerous role-playing conversational agents have emerged. While previous research predominantly focused on enhancing the model's capability to follow…

Computation and Language · Computer Science 2024-11-18 Yuxuan Huang

Recent advancements in Large Language Models (LLMs) demonstrate remarkable capabilities across various fields. These developments have led to more direct communication between humans and LLMs in various situations, such as social…

Computation and Language · Computer Science 2025-09-12 Yixuan Tang , Yi Yang , Ahmed Abbasi

Large Language Models exhibit implicit personalities in their generation, but reliably controlling or aligning these traits to meet specific needs remains an open challenge. The need for effective mechanisms for behavioural manipulation of…

Computation and Language · Computer Science 2026-03-09 Pranav Bhandari , Nicolas Fay , Sanjeevan Selvaganapathy , Amitava Datta , Usman Naseem , Mehwish Nasim

Large Language Models (LLMs) are increasingly used in everyday life and research. One of the most common use cases is conversational interactions, enabled by the language generation capabilities of LLMs. Just as between two humans, a…

Computation and Language · Computer Science 2024-11-12 Jingyao Zheng , Xian Wang , Simo Hosio , Xiaoxian Xu , Lik-Hang Lee

The emergence of unveiling human-like behaviors in Large Language Models (LLMs) has led to a closer connection between NLP and human psychology. Scholars have been studying the inherent personalities exhibited by LLMs and attempting to…

Artificial Intelligence · Computer Science 2025-03-25 Lucio La Cava , Andrea Tagarelli

As large language models (LLMs) are increasingly integrated into daily life, in roles ranging from high-stakes decision support to companionship, understanding their behavioral dispositions becomes critical. A growing literature uses…

Artificial Intelligence · Computer Science 2026-04-22 Valentin Kriegmair , Dirk U. Wulff

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

Conversational Recommender Systems (CRSs) engage users in multi-turn interactions to deliver personalized recommendations. The emergence of large language models (LLMs) further enhances these systems by enabling more natural and dynamic…

Computation and Language · Computer Science 2025-04-18 Xiaoyan Zhao , Yang Deng , Wenjie Wang , Hongzhan lin , Hong Cheng , Rui Zhang , See-Kiong Ng , Tat-Seng Chua

We present a novel framework for designing emotionally agile robots with dynamic personalities and memory-based learning, with the aim of performing adaptive and non-deterministic interactions with humans while conforming to shared social…

Human-Computer Interaction · Computer Science 2025-03-25 Cheng Tang , Chao Tang , Steven Gong , Thomas M. Kwok , Yue Hu

The inability of Large Language Models (LLMs) to modulate their personality expression in response to evolving dialogue dynamics hinders their performance in complex, interactive contexts. We propose a model-agnostic framework for dynamic…

Computation and Language · Computer Science 2026-02-26 Leon Pielage , Ole Hätscher , Mitja Back , Bernhard Marschall , Benjamin Risse

Have Large Language Models (LLMs) developed a personality? The short answer is a resounding "We Don't Know!". In this paper, we show that we do not yet have the right tools to measure personality in language models. Personality is an…

Computation and Language · Computer Science 2023-05-25 Xiaoyang Song , Akshat Gupta , Kiyan Mohebbizadeh , Shujie Hu , Anant Singh

As language models continue to scale in size and capability, they display an array of emerging behaviors, both beneficial and concerning. This heightens the need to control model behaviors. We hope to be able to control the personality…

Computation and Language · Computer Science 2024-02-16 Yixuan Weng , Shizhu He , Kang Liu , Shengping Liu , Jun Zhao

Large Language Models (LLMs) are increasingly used in decision-making, yet their susceptibility to cognitive biases remains a pressing challenge. This study explores how personality traits influence these biases and evaluates the…

Artificial Intelligence · Computer Science 2025-02-21 Jiangen He , Jiqun Liu

Large Language Models (LLMs) such as OpenAI's GPT-4 and Meta's LLaMA offer a promising approach for scalable personality assessment from open-ended language. However, inferring personality traits remains challenging, and earlier work often…

Computation and Language · Computer Science 2025-07-22 Jianfeng Zhu , Ruoming Jin , Karin G. Coifman

Large language models (LLMs) hold the potential to absorb and reflect personality traits and attitudes specified by users. In our study, we investigated this potential using robust psychometric measures. We adapted the most studied test in…

Computation and Language · Computer Science 2025-12-19 Anton Vasiliuk , Irina Abdullaeva , Polina Druzhinina , Anton Razzhigaev , Andrey Kuznetsov

This research explores the potential of Large Language Models (LLMs) to utilize psychometric values, specifically personality information, within the context of video game character development. Affective Computing (AC) systems quantify a…

Computation and Language · Computer Science 2024-02-26 Lawrence J. Klinkert , Stephanie Buongiorno , Corey Clark