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| Criterion |  Business Strategy 5-Minuten VC-Check |  DevOps Blameless Postmortem |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 5-15 min | 30-90 min | 15-30 min | 1-4 h |
Participantsdifferent | 1-5 | 3-12 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | StartupValidationCompetition | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |