Forma mentis 网络通过可解释人工智能预测人类和 GPT 模拟评分者对短文本的创造力评分
Forma mentis networks predict creativity ratings of short texts via interpretable artificial intelligence in human and GPT-simulated raters
AI总结:
本研究利用 TFMN 特征、XGBoost 与 SHAP 比较人类和 GPT-3.5 对短故事的创造力评分,揭示二者依赖的特征模式差异及 GPT-3.5 对齐人类判断的局限。
摘要:
创造力是人类认知的一项基本技能。我们使用文本 forma mentis 网络(TFMN)从约一千篇由人类和 GPT3.5 生成的故事中提取网络(语义/句法关联)和情感特征。利用可解释人工智能(XAI),我们检验与 Mednick 创造力联想理论相关的特征是否能够解释人类和 GPT-3.5 给出的创造力评分。我们使用 XGBoost 考察了三种场景:(i)人类对人类故事的评分,(ii)GPT-3.5 对人类故事的评分,以及(iii)GPT-3.5 对 GPT 生成故事的评分。研究结果表明,GPT-3.5 的评分与人类评分存在显著差异,这不仅体现在相关性方面,也体现在通过 XAI 方法识别出的特征模式方面。GPT-3.5 偏爱“它自己的”故事,并且对人类故事的评分方式与人类不同。基于 SHAP 分数的特征重要性分析显示:(i)网络特征对人类创造力评分具有更强的预测力,同时对 GPT-3.5 评价人类故事的评分也更具预测性;(ii)在 GPT-3.5 评价其自身故事时,情感特征比语义/句法网络结构发挥了更大作用。这些定量结果凸显了 GPT-3.5 在与人类创造力评估保持一致方面的关键局限。我们强调,在使用 GPT-3.5 评估和生成创意内容时需要谨慎,因为它尚未捕捉到人类创造力所特有的微妙复杂性。
英文摘要:
Creativity is a fundamental skill of human cognition. We use textual forma mentis networks (TFMN) to extract network (semantic/syntactic associations) and emotional features from approximately one thousand human- and GPT3.5-generated stories. Using Explainable Artificial Intelligence (XAI), we test whether features relative to Mednick's associative theory of creativity can explain creativity ratings assigned by humans and GPT-3.5. Using XGBoost, we examine three scenarios: (i) human ratings of human stories, (ii) GPT-3.5 ratings of human stories, and (iii) GPT-3.5 ratings of GPT-generated stories. Our findings reveal that GPT-3.5 ratings differ significantly from human ratings not only in terms of correlations but also because of feature patterns identified with XAI methods. GPT-3.5 favours 'its own' stories and rates human stories differently from humans. Feature importance analysis with SHAP scores shows that: (i) network features are more predictive for human creativity ratings but also for GPT-3.5's ratings of human stories; (ii) emotional features played a greater role than semantic/syntactic network structure in GPT-3.5 rating its own stories. These quantitative results underscore key limitations in GPT-3.5's ability to align with human assessments of creativity. We emphasise the need for caution when using GPT-3.5 to assess and generate creative content, as it does not yet capture the nuanced complexity that characterises human creativity.
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