Latent profile analysis of 1,174 Reddit users identifies four self-stigma personas in PWUD; sequential classifiers reach macro-F1 0.74, but eight clinical experts rate generic LLM empathy higher than persona-conditioned responses despite the latter driving targeted shifts.
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Pretrained and fine-tuned Qwen3 embeddings exhibit measurable alignment with an expert symptom matrix via RSA on Reddit mental-health data, strengthened by fine-tuning at fine-grained levels and larger scale, with residual alignment after VAD/LIWC/topic controls.
citing papers explorer
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Self-Stigma Is Not a Monolith, but Generic Empathy Is: Persona-Conditioned LLM Support for People Who Use Drugs
Latent profile analysis of 1,174 Reddit users identifies four self-stigma personas in PWUD; sequential classifiers reach macro-F1 0.74, but eight clinical experts rate generic LLM empathy higher than persona-conditioned responses despite the latter driving targeted shifts.
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Do LLM Embedding Spaces Recover Expert Structure?
Pretrained and fine-tuned Qwen3 embeddings exhibit measurable alignment with an expert symptom matrix via RSA on Reddit mental-health data, strengthened by fine-tuning at fine-grained levels and larger scale, with residual alignment after VAD/LIWC/topic controls.