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| Criterion |  DevOps Blameless Postmortem |  Product Discovery MVP Test Matrix |  Decision Making Force Field Analysis |
|---|---|---|---|
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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-90 min | 45-75 min | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Test Matrix, Test Plan | Force Field Map, Change Levers, Risk Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ExperimentsValidationDiscoveryOptions | ChangeDecisionStrategy |
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