Safety Refusal Is One-Dimensional, but General Refusal Is Not

Tests using activation addition and ablation found that safety-triggered refusal can be controlled along one dimension, while general refusal exceeds five.

Big Tech
Han Wang · Erik Miehling · Dennis Wei · Karthikeyan Natesan Ramamurthy · Huan Zhang

University of Illinois Urbana-Champaign · IBM Research

Research Digest··2 min read
Wang et al.

The authors define “steering dimensionality” as the smallest linear subspace that reliably controls a behavior.

Why this paper

From IBM Research and University of Illinois Urbana-Champaign · Part of Hidden-State Steering, now 7 papers

In one line

Safety-aligned refusal is 1-dim steerable, but general refusal requires more than 5 dimensions.

What we could check

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  • ·No stated limitations found
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Observed from the paper text and links we have. Absence here means we did not find it, not that it does not exist.

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Research Digest

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