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Selected:Failure Scenario AnalysisAssumption SurfacingArchitecture Communication CanvasAssumption Mapping
| Criterion |  Engineering Failure Scenario Analysis |  Decision Making Assumption Surfacing |  Architecture Architecture Communication Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 h | 45-90 min | 60-120 min | 45-60 min |
Participantsdifferent | 3-8 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Assumption List, Critical Assumptions, Learning Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | FailureResilienceRisk | AssumptionsRiskDecisionDiscovery | ArchitectureCommunicationStakeholdersCanvas | AssumptionsRiskExperimentsValidation |