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| Criterion |  Operations Root Cause Tree Analysis |  Systems Thinking Current Reality Tree |  Operations Causal Factor Analysis |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | 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. |
Complexitydifferent | Medium | High | High |
Timedifferent | 1-3 h | 2-6 h | 2-6 h |
Participantsdifferent | 2-8 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Current Reality Tree, Core Problems, Intervention Ideas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tags1 shared | Root causeTreeIncidentQuality | Systems thinkingRoot causeConstraintsCausality | CausalityIncidentRoot causeTimeline |
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