You've changed an engineering process and want to know whether it actually improved outcomes. You need a way to separate real improvement from normal week to week noise, and to look beyond a single headline metric.
How do you measure whether a process improvement actually worked?
Primary outcome KPI, such as deployment lead timeLeading indicators, such as review turnaround time or CI durationLagging indicators, such as incident rate or rollback rateGuardrails to catch quality or team health regressions