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| Criterion |  Product Discovery Assumption Mapping |  Operations 5 Whys |  Architecture Risk Storming |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-60 min | 15-30 min | 60-90 min |
Participantsdifferent | 2-8 | 2-6 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving | RiskArchitectureWorkshopValidation |
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