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About this paper

Caspar Oesterheld, Emery Cooper, Miles Kodama, Linh Chi Nguyen, Ethan Perez

Researchers introduce an expert-curated dataset of natural-language decision-theoretic questions to evaluate large language models on Newcomb-like problems. Their assessment of 78 models reveals that higher reasoning capabilities correlate with a stronger alignment towards Evidential Decision Theory, especially when using Chain of Thought prompting, with top models achieving up to 75% accuracy.

Key insights

  • Large language models exhibit varying, yet internally consistent, decision-theoretic "stances" when faced with philosophically contentious problems.
  • There is a strong positive correlation between an LLM's overall reasoning capabilities and its tendency to express attitudes aligned with Evidential Decision Theory (EDT).
  • Chain of Thought reasoning not only improves model performance but also significantly strengthens the correlation between capabilities and EDT-aligned attitudes.

Summary by alphaXiv.

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