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| Criterion |  Architecture Architecture Decision Record |  Decision Making Pre-Mortem |  Architecture Risk Storming |  Decision Making Argument Mapping |
|---|---|---|---|---|
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. | 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. | 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 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-45 min | 20–45 min | 60-90 min | 1-3 h |
Participantsdifferent | 1-3 | Small cross-functional group | 4-12 | 1-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Risk list, Mitigation plan, Assumption log | Annotated Diagram, Prioritized Risk List, Action Backlog | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RiskDecisionFailurePlanning | RiskArchitectureWorkshopValidation | SensemakingDecisionRationale |