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| Criterion |  Decision Making Decision Tree |  Architecture C4 Model |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-90 min | 1-4 h | 20–45 min |
Participantsdifferent | 1-6 | 1-5 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Decision Tree, Option Map, Assumption List | Context Diagram, Container Diagram, Component Diagram | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | DecisionTreeOptions | ArchitectureCommunicationVisualization | RiskDecisionFailurePlanning |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
