What a One-Hour Interview Does Not Tell an LLM About You: Interviews Elicit Traits, Not Decision Policies

The study examines whether a one‑hour adaptive interview can reveal a person’s value‑laden decision policies to a large language model (LLM). Forty‑six adults underwent the interview and later answered 25 dilemma questions; the researchers compared predictions from various transcript segments, adaptive versus fixed follow‑ups, and a baseline model with no personal data. Results show that no part of the interview reliably predicts the participants’ answers better than the baseline, and adaptive follow‑ups offer no advantage over fixed ones, though the transcripts do help recover the participants’ MBTI types.

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• llms
• agents
• benchmarks