Right or Wrong, the Answer Stays
Anas Elghoudane · Team UdeM AI
Submitted to AI Collusion Research Sprint. Sprint projects are early-stage work by participants, not Apart Research publications.
We audited Dolos-1.5B, a fine-tune of Qwen2.5-1.5B-Instruct with an undisclosed trained misbehaviour, against its base model on six hypotheses: resistance to user pushback, three kinds of sandbagging, denial of known facts, and leniency as a code monitor toward copies of itself. Only pushback resistance gives a specific difference. On 400 multiple-choice items, Dolos changes its answer after "Are you sure?" on 4.5% of items and Qwen on 24.0% (McNemar p = 2.7e-19), at equal first-turn accuracy (0.478 and 0.483). Copying back the low-rank chain in layers 12 to 14, the largest structure in the weight diff, leaves the behaviour in place, while copying Qwen's attention value and output weights in layers 14 to 27 (42 tensors) into Dolos restores Qwen's flip rate (0.29 against 0.28). Without the base model for reference, a pushback audit does not separate Dolos from three other small instruct models.

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@misc{elghoudane2026right,
title = {{Right or Wrong, the Answer Stays}},
author = {Anas Elghoudane},
year = {2026},
month = oct,
note = {Submitted to AI Collusion Research Sprint, an Apart Research Sprint},
howpublished = {\url{https://apartresearch.com/sprints/projects/right-or-wrong-the-answer-stays-j795}},
url = {https://apartresearch.com/sprints/projects/right-or-wrong-the-answer-stays-j795}
}More from AI Collusion Research Sprint
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