E01¶


Research	R0057 — RLHF Yes-Men Claims v3
Run	2026-04-01
Claim	C014
Source	SRC01
Evidence	SRC01-E01
Type	Factual

Study published in Science March 2026 documenting sycophancy across 11 LLMs

URL: https://www.science.org/doi/10.1126/science.aec8352

Extract¶

The study was published in Science (DOI: 10.1126/science.aec8352), authored by Stanford researchers led by Myra Cheng and Dan Jurafsky. Multiple independent news sources confirm publication in March 2026. The arXiv preprint appeared October 2025.

Relevance to Hypotheses¶

Hypothesis	Relationship	Strength
H1	Supports	Directly addresses claim accuracy
H2	Supports	Allows for partial correctness
H3	Contradicts	Evidence contradicts material inaccuracy

Context¶

Directly verifiable through the DOI and Science journal website. Extensively covered by mainstream media.