You've changed an engineering process and want to know whether it actually made the team better. The change may affect speed and quality on different timelines, so a single headline metric can give the wrong read.
How do you know if a process improvement actually improved quality or throughput?
Choosing the right KPI set for engineering process changesSeparating leading indicators from lagging indicatorsDiagnosing whether throughput gains came with hidden quality costsUsing decomposition to avoid misleading averages