C018 — Assessment¶


Research	R0055 — RLHF Yes-Men Claims
Run	2026-04-01
Claim	C018

BLUF¶

Partially correct. A Microsoft/CMU CHI 2025 study found participants self-reported using no critical thinking for 40% of their tasks when using AI. The nuance: this is self-reported behavior for a percentage of tasks, not 40% of users applying zero scrutiny to all outputs. The distinction matters.

Probability¶

Rating: Likely (55-80%)

Confidence in assessment: Medium

Confidence rationale: Based on evidence quality and source agreement for this specific claim.

Reasoning Chain¶

Microsoft Research and CMU surveyed 319 knowledge workers and collected 936 real-world GenAI usage examples. Participants stated that for 40% of their tasks they used no critical thinking whatsoever w... [SRC01-E01, High reliability, High relevance]
JUDGMENT: Partially correct. A Microsoft/CMU CHI 2025 study found participants self-reported using no critical thinking for 40% of their tasks when using AI. Th

Evidence Base Summary¶

Source	Description	Reliability	Relevance	Key Finding
SRC01	Lee et al. 2025 (Microsoft/CMU)	High	High	Self-reported: 40% of tasks used zero critical thinking (not 40% of users)

Collection Synthesis¶

Dimension	Assessment
Evidence quality	Medium
Source agreement	High
Source independence	Medium
Outliers	None identified

Detail¶

Partially correct. A Microsoft/CMU CHI 2025 study found participants self-reported using no critical thinking for 40% of their tasks when using AI. The nuance: this is self-reported behavior for a percentage of tasks, not 40% of users applying zero scrutiny to all outputs. The distinction matters.

Gaps¶

Missing Evidence	Impact on Assessment
Independent replication	Would strengthen confidence

Researcher Bias Check¶

Declared biases: The researcher's anti-sycophancy stance could influence interpretation in the direction of confirming claims about sycophancy's severity.

Influence assessment: Monitored throughout analysis; no significant bias influence detected for this claim.

Cross-References¶

Entity	ID	File
Hypotheses	H1, H2, H3	`hypotheses/`
Sources	SRC01	`sources/`
ACH Matrix	—	ach-matrix.md
Self-Audit	—	self-audit.md