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| Criterion |  Architecture Risk Storming |  Decision Making Decision Matrix |  Decision Making Pre-Mortem |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 60-90 min | 45-90 min | 20–45 min | 45-60 min |
Participantsdifferent | 4-12 | 2-8 | Small cross-functional group | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Decision Matrix, Scoring Rationale, Selected Option | Risk list, Mitigation plan, Assumption log | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskArchitectureWorkshopValidation | DecisionCriteriaScoringTradeoffs | RiskDecisionFailurePlanning | AssumptionsRiskExperimentsValidation |