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| Criterion |  Facilitation 3-Circle Venn Diagram |  Systems Thinking Future Reality Tree |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 15-45 min | 2-4 h | 45-120 min |
Participantsdifferent | 2-8 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Venn Diagram, Overlap Notes, Differentiators | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ComparisonFacilitationAlignment | Theory of ConstraintsSystems thinkingChange | ChangeRoot causeTroubleshootingComparison |
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