View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  DevOps Blameless Postmortem |  Operations Root Cause Analysis |  Business Strategy 5-Minuten VC-Check |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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 | Low | Low |
Timedifferent | 30-90 min | 1-4 h | 5-15 min | 15-30 min |
Participantsdifferent | 3-12 | 3-8 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Root cause notes, Countermeasures |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeProblem solvingQualityIncident | StartupValidationCompetition | Root causeIncidentLeanProblem solving |