A measurement methodology is a defined, repeatable procedure for quantifying a property or performance characteristic, specifying scope, units, data sources, and calculation rules. It ensures that results are consistent, comparable, and auditable across observers and over time. Rigorous methodology is the precondition for trustworthy indicators, benchmarks, and standards-based reporting.
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- A sound methodology fixes the system boundary, data collection protocol, units, and aggregation logic, and documents uncertainty. Standardised methodologies enable third-party verification and prevent the cherry-picking and incomparability that undermine self-reported metrics.