OPS.15:6 - Bias-Annotation
Completed cases and successful transactions are easier to observe than abandoned, diverted or still-open work. Begin with the population the decision concerns and inspect the places where observation can lose its members.
A measure already reported can also become the default objective. State the intended service value and why the selected observation bears on it. Keep a useful proxy qualified where direct observation is unavailable, and revisit it when its relationship to the value changes.