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| Criterion |  Innovation Lean Startup |  Operations Kaizen Event |  DevOps Incident Command |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 0.5-5 Tage | As needed | 15-30 min |
Participantsdifferent | 2-8 | 4-10 | 4-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Incident Log, Action Tracker, Stakeholder Updates | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | LeanContinuous improvementOperations | IncidentOperationsReliability | Root causeIncidentLeanProblem solving |