arXiv:2411.05777cs.CLcs.AI2024-11

构建心理导向的共情评估框架,量化大模型在社会偏见影响下的共情差异。

Quantitative Assessment of Intersectional Empathetic Bias and Understanding

  • 基于心理原理解析共情,通过控制提示中的社会偏见生成来测量模型反应方差。
  • 初步实验显示模型推理链对提示细微变化敏感,但共情差异尚不显著。
  • 适用于低资源语言(如斯拉夫语系)共情与偏见评估,推动跨语言研究。

现有文献批评当前共情操作化定义松散,导致数据集质量下降、模型鲁棒性减弱及评估不可靠。本文提出一个贴近心理学起源的共情评估框架,通过现有共情与情感效价指标衡量大模型在提示变异下的响应方差。该变异通过控制提示中社会偏见的生成引入,影响情境理解与共情认知。控制生成确保提示数据集构念的高理论有效性,并使高质量跨语言翻译(如斯拉夫语系)更可行。使用多个大模型与多种提示类型(选择题与自由生成),我们展示了该框架的可行性。初始评估样本中响应方差较小,未能检测到不同社会群体情境下共情理解的显著差异;但结果具前景:模型推理链对提示中相对细微的变化表现出显著调整,为未来评估样本构建与统计方法优化奠定基础。

原文摘要 · Abstract (English)

A growing amount of literature critiques the current operationalizations of empathy based on loose definitions of the construct. Such definitions negatively affect dataset quality, model robustness, and evaluation reliability. We propose an empathy evaluation framework that operationalizes empathy close to its psychological origins. The framework measures the variance in responses of LLMs to prompts using existing metrics for empathy and emotional valence. The variance is introduced through the controlled generation of the prompts by varying social biases affecting context understanding, thus impacting empathetic understanding. The control over generation ensures high theoretical validity of the constructs in the prompt dataset. Also, it makes high-quality translation, especially into languages that currently have little-to-no way of evaluating empathy or bias, such as the Slavonic family, more manageable. Using chosen LLMs and various prompt types, we demonstrate the empathy evaluation with the framework, including multiple-choice answers and free generation. The variance in our initial evaluation sample is small and we were unable to measure convincing differences between the empathetic understanding in contexts given by different social groups. However, the results are promising because the models showed significant alterations their reasoning chains needed to capture the relatively subtle changes in the prompts. This provides the basis for future research into the construction of the evaluation sample and statistical methods for measuring the results.

共情评估大模型社会偏见跨语言

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