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| Criterion |  Architecture Architecture Decision Record |  Decision Making Argument Mapping |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | Low | Medium | Low |
Timedifferent | 15-45 min | 1-3 h | 20–45 min |
Participantsdifferent | 1-3 | 1-8 | Small cross-functional group |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Argument Map, Evidence Gaps, Decision Rationale | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | SensemakingDecisionRationale | RiskDecisionFailurePlanning |
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