arXiv cs.CL
6/26/2026

Assert, don't describe: Linguistic features that shift LLM reasoning about animal welfare
Short summary
Research on Llama-3.2-1B shows that assertive language, explicit moral vocabulary, emotion words, and evaluative claims significantly shift LLMs toward pro-animal-welfare reasoning during training, while hedged language and neutral sensory description dilute this effect. For writers: assert positions rather than describe scenes neutrally to influence model behavior.
- •Eight of ten linguistic features produced statistically significant shifts in model pro-animal-welfare reasoning
- •Seven features strengthen pro-welfare stance: assertive certainty, moral vocabulary, emotion, evaluative claims, narrative, depicted harm, and temporal framing
- •Two features dilute it: hedged language and concrete sensory description—explicit position matters more than neutral description
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