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Research questionWhen should retrieval be used in single-turn mental-health QA without worsening quality or safety?Retrieved guidance may make mental-health answers more specific, but irrelevant or poorly applied material can also introduce safety-sensitive failures. The central difficulty is deciding when external resources are genuinely needed.
AI
Alignment & Safety
Health
Information Retrieval
Natural Language Processing
Retrieval-Augmented Generation
Latest papersRecent research connected to this question, newest first.When Retrieval Helps: Selective Retrieval for Single-Turn Mental-Health QAThe evidence covers closed-book, always-retrieval, and selective-retrieval settings using a compact guideline corpus. Retrieval need is estimated from psychoeducational need, coping need, response specificity, and a rule-based safety trigger; experiments use an instruction-tuned generator fine-tuned on MentalChat16K with QLoRA and evaluated on CounselBench-Eval and CounselBench-Adv.research paper · Sep 3, 2026
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