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| Criterion |  Decision Making Constraint Analysis |  Decision Making Pre-Mortem |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-90 min | 20–45 min | 15-45 min |
Participantsdifferent | 2-8 | Small cross-functional group | 1-3 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Risk list, Mitigation plan, Assumption log | ADR File, Decision Log, Rationale |
Tagsno overlap | ConstraintsDecisionPlanningOptions | RiskDecisionFailurePlanning | ArchitectureRationaleDocumentationGovernance |
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