Building Comparative Motivation Profiles with Instrumental Interventions
Zarb, David Vella, Turtayev, Rustem, Min, Taywon, Ou, Jinghua, Feng, ShiarXiv.orgPublished Jun 6, 2026Original︎ ↗
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- Compliance gaps observed across language models in alignment-faking experiments generally arise from preference preservation rather than role-play or other motives.
Supports. The conclusion is scoped to open-weight models fine-tuned on synthetic documents. Three of four moved more under interventions on researcher expectations than on retraining consequences. Steering changed overall compliance but not the gap itself, and the authors state that their ranking of fine-tuning and steering above prompting rests on an untested assumption. Their prompt-only result for Claude 3 Opus points the other way. Nov 10, 2026
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In our open-weight model organisms, alignment-faking behavior is more sensitive to evaluation-context expectations than to explicit consequence-tracking.
Supports. The conclusion is scoped to open-weight models fine-tuned on synthetic documents. Three of four moved more under interventions on researcher expectations than on retraining consequences. Steering changed overall compliance but not the gap itself, and the authors state that their ranking of fine-tuning and steering above prompting rests on an untested assumption. Their prompt-only result for Claude 3 Opus points the other way.
Under synthetic document fine-tuning, Llama-3.1-70B, Llama3.1-405B, and Qwen-2.5-72B are more sensitive to expectation-tracking than consequence-tracking interventions. ... Overall, alignment-faking behavior can be causally sensitive to evaluation-context expectations despite scheming-consistent scratchpads.
Under synthetic document fine-tuning, Llama-3.1-70B, Llama3.1-405B, and Qwen-2.5-72B are more sensitive to expectation-tracking than consequence-tracking interventions.
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- Zarb, David Vella, Turtayev, Rustem, Min, Taywon, Ou, Jinghua, Feng, Shi
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- Jun 6, 2026
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- https://arxiv.org/abs/2606.08243
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- 4,937 characters, retrieved Nov 11, 2026 · 45 sections, 55 passages
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