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| Criterion |  Decision Making Constraint Analysis |  Systems Thinking Current Reality Tree |  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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-90 min | 2-6 h | 15-45 min |
Participantsdifferent | 2-8 | 3-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Current Reality Tree, Core Problems, Intervention Ideas | ADR File, Decision Log, Rationale |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Systems thinkingRoot causeConstraintsCausality | ArchitectureRationaleDocumentationGovernance |
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