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| Criterion |  Architecture C4 Model |  Decision Making Pre-Mortem |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
Purposedifferent | 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. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 1-4 h | 20–45 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-5 | Small cross-functional group | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Risk list, Mitigation plan, Assumption log | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureCommunicationVisualization | RiskDecisionFailurePlanning | ExperimentsValidationDiscoveryAssumptions |
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