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| Criterion |  Decision Making Constraint Analysis |  Systems Thinking Current Reality Tree |  Architecture C4 Model |
|---|---|---|---|
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. | 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. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-90 min | 2-6 h | 1-4 h |
Participantsdifferent | 2-8 | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Current Reality Tree, Core Problems, Intervention Ideas | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Systems thinkingRoot causeConstraintsCausality | ArchitectureCommunicationVisualization |
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