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| Criterion |  Operations Causal Factor Analysis |  Systems Thinking Leverage Points |  Operations Barrier Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. |
Complexitydifferent | High | High | Medium | High |
Timedifferent | 2-6 h | Half day | 2-4 h | 2-6 h |
Participantsdifferent | 3-10 | 3-12 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Leverage Map, Action Strategy | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Systems thinkingChangeStrategy | Root causeSafetyIncident | Systems thinkingRoot causeConstraintsCausality |