Can AI Have a Personality? Prompt Engineering for AI Personality Simulation: A Chatbot Case Study in Gender-Affirming Voice Therapy Training

Tailon D. Jackson, Byunggu Yu
8/20/2025
cs.HCcs.CL

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Abstract

This thesis investigates whether large language models (LLMs) can be guided to simulate a consistent personality through prompt engineering. The study explores this concept within the context of a chatbot designed for Speech-Language Pathology (SLP) student training, specifically focused on gender-affirming voice therapy. The chatbot, named Monae Jackson, was created to represent a 32-year-old transgender woman and engage in conversations simulating client-therapist interactions. Findings suggest that with prompt engineering, the chatbot maintained a recognizable and consistent persona and had a distinct personality based on the Big Five Personality test. These results support the idea that prompt engineering can be used to simulate stable personality characteristics in AI chatbots.

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Cite this paper

@article{jackson2025have,
  title  = {Can AI Have a Personality? Prompt Engineering for AI Personality Simulation: A Chatbot Case Study in Gender-Affirming Voice Therapy Training},
  author = {Tailon D. Jackson and Byunggu Yu},
  year   = {2025},
  eprint = {2508.18234},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2508.18234v2}
}

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