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| Criterion |  Decision Making Pre-Mortem |  Architecture C4 Model |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 20–45 min | 1-4 h | 1-5 Tage |
Participantsdifferent | Small cross-functional group | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Context Diagram, Container Diagram, Component Diagram | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RiskDecisionFailurePlanning | ArchitectureCommunicationVisualization | ValidationExperimentsDemandDiscovery |
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