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R0056/2026-04-01/C001 — ACH Matrix

Matrix

H1: Claim is accurate H2: Partially correct H3: Materially wrong
SRC01-E01: Stanford study finds 49% more affirmation ++ + --

Legend: - ++ Strongly supports - + Supports - -- Strongly contradicts - - Contradicts - N/A Not applicable to this hypothesis

Diagnosticity Analysis

Most Diagnostic Evidence

Evidence Why Diagnostic
SRC01-E01 Directly confirms the 49% figure from a peer-reviewed source, strongly discriminating between H1 and H3

Least Diagnostic Evidence

Evidence Why Non-Diagnostic
N/A Only one evidence extract; all evidence is diagnostic

Outcome

Hypothesis supported: H1 — The peer-reviewed study directly confirms the 49% figure.

Hypotheses eliminated: H3 — No evidence contradicts the claim.

Hypotheses inconclusive: H2 — The claim could be considered partially correct in that the 49% is an average, with some models showing higher or lower sycophancy rates. However, the claim uses "approximately 49%" which accurately represents the average.