Author

Wangyi Jiang

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Jul 2026

Before the Action: Benchmarking LLMs on Prospective Hypothesis Discovery

Results support treating PHD as a distinct target for evaluating how LLMs formulate investigative directions when final conclusions are withheld, with gains for several lower-performing models on HypoArena but regressions for other systems, including a top-performing model.

Tianyun Zhong, Wangyi Jiang, Wei Wang et al. · arXiv.org · 0 citations