01 — Define the question
We state the decision the work must inform, the period reviewed and the limits of the mandate.
A documented process that makes every material claim traceable, testable and proportionate to the evidence.
We state the decision the work must inform, the period reviewed and the limits of the mandate.
Primary records and official data take precedence. Gaps, conflicts and limitations are documented.
Assumptions are separated from facts. We test sensitivities, alternatives and failure cases before concluding.
Models inform judgement; they do not replace it. Conclusions distinguish fact, estimate and opinion.
The final work explains the answer, evidence, assumptions, risks and limits of use.
Methodology is reviewed whenever the evidence, regulation or nature of the mandate changes.