E01¶


Research	R0002 — Research Standards for AI-Assisted Writing
Run	2026-03-13
Claim	C003
Source	SRC01
Evidence	SRC01-E01
Type	Factual

Two-Axis Confidence Model Confirmed

URL: Not captured — experimental run

Extract¶

The IPCC confidence framework is based on assessments of evidence and degree of agreement. This is explicitly a two-dimensional model where confidence is a function of both the type, amount, quality, and consistency of evidence AND the degree of agreement among experts.

Relevance to Hypotheses¶

Hypothesis	Relationship	Strength
H1	Supports	Strong — confirms two-axis model
H2	Supports	Strong — framework structure confirmed
H3	Contradicts	Strong — two-axis model is correctly characterized

Context¶

The two-axis model has been consistently applied in AR5 (2013-2014) and AR6 (2021-2022). It was formalized in the 2010 Guidance Note by Mastrandrea et al. The framework is not challenged as a methodology, though individual applications of confidence ratings are debated in the literature.

Notes¶

The claim says "Evidence quality" for the first axis, but the IPCC more precisely describes "evidence" encompassing "type, amount, quality, and consistency." The term "quality" is one component, not the axis label.