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| Criterion |  Facilitation 3-Circle Venn Diagram |  Operations Causal Factor Analysis |  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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | 2-6 h | 45-120 min |
Participantsdifferent | 2-8 | 3-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Venn Diagram, Overlap Notes, Differentiators | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ComparisonFacilitationAlignment | CausalityIncidentRoot causeTimeline | ChangeRoot causeTroubleshootingComparison |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
