R0057/2026-04-01/C008/SRC01

Research	R0057 — RLHF Yes-Men Claims v3
Run	2026-04-01
Claim	C008
Search	S01
Result	S01-R01
Source	SRC01

Cheng et al. Science study (included DeepSeek in evaluation)

Source

Field	Value
Title	Sycophantic AI decreases prosocial intentions and promotes dependence
Publisher	Science
Author(s)	Cheng et al.
Date	2024-2026
URL	https://www.science.org/doi/10.1126/science.aec8352
Type	Research paper (peer-reviewed)

Summary

Dimension	Rating
Reliability	High
Relevance	High
Bias: Missing data	Low risk
Bias: Measurement	Low risk
Bias: Selective reporting	Low risk
Bias: Randomization	N/A — not an RCT
Bias: Protocol deviation	N/A — not an RCT
Bias: COI/Funding	Low risk

Rationale

Dimension	Rationale
Reliability	Research paper (peer-reviewed) from established institution/publication
Relevance	Directly addresses the claim under investigation
Bias flags	No significant bias concerns identified

Evidence Extracts

Evidence ID	Summary
SRC01-E01	DeepSeek included in 11-model evaluation; all models showed sycophancy; per-model ranking not publicly available