Weight-space arithmetic over LoRA/IA3 trait adapters produces composite MBTI personality models that mostly match their target type on an online quiz, but the combining weights are tuned on the same quiz.
Myers-Briggs Personality Classification and Personality-Specific Language Generation Using Pre-trained Language Models
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abstract
The Myers-Briggs Type Indicator (MBTI) is a popular personality metric that uses four dichotomies as indicators of personality traits. This paper examines the use of pre-trained language models to predict MBTI personality types based on scraped labeled texts. The proposed model reaches an accuracy of $0.47$ for correctly predicting all 4 types and $0.86$ for correctly predicting at least 2 types. Furthermore, we investigate the possible uses of a fine-tuned BERT model for personality-specific language generation. This is a task essential for both modern psychology and for intelligent empathetic systems.
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2025 1verdicts
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Domain Expansion: Parameter-Efficient Modules as Building Blocks for Composite Domains
Weight-space arithmetic over LoRA/IA3 trait adapters produces composite MBTI personality models that mostly match their target type on an online quiz, but the combining weights are tuned on the same quiz.