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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Assumption Mapping |  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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | 45-60 min | 45-90 min |
Participantsdifferent | 3-12 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Assumption map, Test backlog, Risk ranking | Force Field Map, Change Levers, Risk Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskExperimentsValidation | ChangeDecisionStrategy |
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