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Do LLMs Possess a Personality? Making the MBTI Test an Amazing Evaluation for Large Language Models

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arxiv 2307.16180 v1 pith:75CG4EFQ submitted 2023-07-30 cs.CL

classification cs.CL
keywords llmspersonalitymbtihumanassessmentevaluationhuman-likeindicator
verification ladder T0 review T1 audit T2 compute T3 formal
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The field of large language models (LLMs) has made significant progress, and their knowledge storage capacity is approaching that of human beings. Furthermore, advanced techniques, such as prompt learning and reinforcement learning, are being employed to address ethical concerns and hallucination problems associated with LLMs, bringing them closer to aligning with human values. This situation naturally raises the question of whether LLMs with human-like abilities possess a human-like personality? In this paper, we aim to investigate the feasibility of using the Myers-Briggs Type Indicator (MBTI), a widespread human personality assessment tool, as an evaluation metric for LLMs. Specifically, extensive experiments will be conducted to explore: 1) the personality types of different LLMs, 2) the possibility of changing the personality types by prompt engineering, and 3) How does the training dataset affect the model's personality. Although the MBTI is not a rigorous assessment, it can still reflect the similarity between LLMs and human personality. In practice, the MBTI has the potential to serve as a rough indicator. Our codes are available at https://github.com/HarderThenHarder/transformers_tasks/tree/main/LLM/llms_mbti.

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Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. From Representations to Behaviors: Exploring the Person-Situation-Behavior Triad in LLMs

    cs.CL 2026-07 conditional novelty 6.0 of 10

    SAE features recovered from matched high–low trait behaviors can be steered to bidirectionally shift situational personality expression and produce human-like social benefit–cost patterns in an 8B LLM.

  2. When Does Personality Composition Matter for Multi-Agent LLM Teams?

    cs.AI 2026-06 unverdicted novelty 6.0 of 10

    Low agreeableness massively shifts multi-agent LLM communication yet barely hurts coding milestones, while the same prompt sharply degrades research milestones and collapses bargaining agreements.

  3. Value Drifts: Tracing Value Alignment During LLM Post-Training

    cs.CL 2025-10 conditional novelty 6.0 of 10

    Value alignment in LLMs is set largely during supervised fine-tuning; standard preference-optimization datasets carry too little stance contrast to re-align it, but with engineered contrast algorithms differ (DPO ampl...

  4. Towards Understanding the Cognitive Habits of Large Reasoning Models

    cs.CL 2025-06 conditional novelty 6.0 of 10

    A new benchmark shows large reasoning models exhibit human-like cognitive habits in their chain-of-thought, and some habits correlate with unsafe responses.

  5. Effects of Personality- and Opinion-Alignment in Human-AI Interaction

    cs.HC 2025-11 conditional novelty 5.0 of 10

    People rate AI chatbots as more trustworthy, competent, warm, and persuasive when the chatbots share their opinion, whereas matching the chatbot's personality to the user's has little or no effect.

  6. From Post To Personality: Harnessing LLMs for MBTI Prediction in Social Media

    cs.CL 2025-08 reject novelty 5.0 of 10

    A two-stage LLM pipeline with retrieval-augmented prompting and synthetic minority oversampling claims state-of-the-art MBTI classification on PersonalityCafe, though its AUC uses neighbor-label distribution, not mode...

  7. Psychologically Enhanced AI Agents

    cs.AI 2025-09 conditional novelty 4.0 of 10

    MBTI personality prompts measurably change how LLM agents write stories and play strategic games, with self-reflection before communication supporting cooperative behavior.

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