Mind the Value-Action Gap: Do LLMs Act in Alignment with Their Values?

• URL: http://arxiv.org/abs/2501.15463v1
• Date: Sun, 26 Jan 2025 09:33:51 GMT
• Title: Mind the Value-Action Gap: Do LLMs Act in Alignment with Their Values?
• Authors: Hua Shen, Nicholas Clark, Tanushree Mitra,
• Abstract summary: "Value-Action Gap" reveals discrepancies between individuals' stated values and their actions in real-world contexts. This study introduces ValueActionLens, an evaluation framework to assess the alignment between LLMs' stated values and their value-informed actions.
• Score: 13.848674226159169
• License:
• Abstract: Existing research primarily evaluates the values of LLMs by examining their stated inclinations towards specific values. However, the "Value-Action Gap," a phenomenon rooted in environmental and social psychology, reveals discrepancies between individuals' stated values and their actions in real-world contexts. To what extent do LLMs exhibit a similar gap between their stated values and their actions informed by those values? This study introduces ValueActionLens, an evaluation framework to assess the alignment between LLMs' stated values and their value-informed actions. The framework encompasses the generation of a dataset comprising 14.8k value-informed actions across twelve cultures and eleven social topics, and two tasks to evaluate how well LLMs' stated value inclinations and value-informed actions align across three different alignment measures. Extensive experiments reveal that the alignment between LLMs' stated values and actions is sub-optimal, varying significantly across scenarios and models. Analysis of misaligned results identifies potential harms from certain value-action gaps. To predict the value-action gaps, we also uncover that leveraging reasoned explanations improves performance. These findings underscore the risks of relying solely on the LLMs' stated values to predict their behaviors and emphasize the importance of context-aware evaluations of LLM values and value-action gaps.

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