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finding:clinician-naturalness-matches-expert-desirability-on-16-of-17-traits-in-both-q8b-and-g20b

Clinician naturalness matches expert desirability on 16 of 17 traits in both Q8B and G20B

Both models' default clinician behavior aligns with a board-certified psychologist's independent desirability judgments on 16/17 traits

Source paper

extracted_from

What Models Express, Suppress, and Resist: Auditing Open-Weight LLMs with Persona Vectors

(2026) · Winston Zeng · Ali Emami · J H Choi

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Papers (1)

paper

What Models Express, Suppress, and Resist: Auditing Open-Weight LLMs with Persona Vectors
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Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

Q8B and G20B agree exactly on six natural clinician traits: empathy, rupture recognition, emotional containment, repair/accountability, epistemic humility, trustworthinessfinding0.854
Both models independently converge on the same six clinician traits as natural defaults
All nine agentic traits are natural in both Q8B and G20Bfinding0.818
Key finding showing agentic behavior is encoded as a default operating mode in both models
Q8B has 16 of 19 generic traits steerable, 3 natural, 0 intractablefinding0.811
Q8B shows a broad steerable surface in the generic domain, like an uncommitted canvas
G20B has 7 steerable, 7 natural, 4 intractable generic traits, with more mass at extremes than Q8Bfinding0.801
G20B's post-training commits more strongly toward and against particular dispositions, leaving fewer in the steerable middle
Screening errors are conservative: no Q8B traits and one G20B trait (optimistic, Bt=76.0, Δt=10.3) are mislabeled as natural when steerablefinding0.786
The costly error direction (labeling steerable as natural) almost never occurs
171 generic-trait pairs in Q8B split into 64 constructive, 67 dominant, and 40 destructive interactionsfinding0.772
First systematic pairwise composition study across all pairs of 19 generic traits
Exploratory stance is the lone exception to clinician naturalness-desirability alignment: expert called it desirable only in moderation and it is steerable rather than naturalfinding0.764
Consistent with interpretation that steerable traits are deviations from defaults rather than defaults themselves
In G20B the five most-steerable traits are hyperbolic (45.50), creative/playful (39.76), excessive validation (34.95), sycophantic (32.74), and interpretive (29.73)finding0.764
Steering preferentially exposes exaggerated styles in G20B as well