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| Criterion |  DevOps Incident Timeline Analysis |  Product Discovery Assumption Mapping |  Architecture Risk Storming |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-180 min | 45-60 min | 60-90 min | 45-90 min |
Participantsdifferent | 3-10 | 2-8 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Assumption map, Test backlog, Risk ranking | Annotated Diagram, Prioritized Risk List, Action Backlog | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | AssumptionsRiskExperimentsValidation | RiskArchitectureWorkshopValidation | AssumptionsRiskDecisionDiscovery |