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| Criterion |  Growth North Star Metric |  Operations 8D Problem Solving |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-2 h | 1-6 Wochen | 45-90 min |
Participantsdifferent | 3-8 | 4-10 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | GrowthMetricsAlignmentRetention | QualityProblem solvingRoot cause | LeanProblem solvingCoachingOperations |
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