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| Criterion |  Operations A3 Problem Solving |  Business Strategy 5-Minuten VC-Check |  DevOps Incident Command |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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 | Low | Medium | Low |
Timedifferent | 45-90 min | 5-15 min | As needed | 15-30 min |
Participantsdifferent | 2-5 | 1-5 | 4-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Incident Log, Action Tracker, Stakeholder Updates | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | StartupValidationCompetition | IncidentOperationsReliability | Root causeIncidentLeanProblem solving |