DyMT-ESB: Dynamic Multi-Turn Evaluation of Social Bias in User-LLM Interactions
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Computer Science > Computation and Language
arXiv:2609.18649 (cs)
[Submitted on 16 Sep 2026]
Title:DyMT-ESB: Dynamic Multi-Turn Evaluation of Social Bias in User-LLM Interactions
View a PDF of the paper titled DyMT-ESB: Dynamic Multi-Turn Evaluation of Social Bias in User-LLM Interactions, by Rem Hida and 4 other authors
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Abstract:Warning: This paper contains examples of stereotypes and social bias. LLMs are increasingly used in interactive settings by the general public, making the evaluation of model behavior in multi-turn conversational scenarios important for safety, including stereotyping-related harms. However, existing multi-turn social bias evaluations often rely on pre-specified or template-based user inputs that do not adapt to model responses and typically assume a fixed dialogue length in advance. In this paper, we study social bias dynamics in response-conditioned multi-turn interactions using a controlled evaluation protocol that generates follow-up user queries from the evolving dialogue history and allows evaluation over variable numbers of turns. Experimental results show that LLMs exhibit social bias even in coherent, response-conditioned multi-turn interactions, revealing late-emerging bias, non-monotonic bias patterns, and bias re-emergence. These results motivate evaluations that extend beyond fixed-turn, pre-scripted protocols. Our findings highlight the importance of analyzing social bias as a turn-level dynamic phenomenon.
| Comments: | Accepted to Findings of EMNLP 2026 |
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2609.18649 [cs.CL] |
| (or arXiv:2609.18649v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2609.18649
arXiv-issued DOI via DataCite (pending registration)
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View a PDF of the paper titled DyMT-ESB: Dynamic Multi-Turn Evaluation of Social Bias in User-LLM Interactions, by Rem Hida and 4 other authors
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