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| Criterion |  Systems Thinking Systems Mapping |  Operations Barrier Analysis |  Operations Change Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | Systems Mapping arranges elements, relationships, and boundaries so a complex field becomes legible at a glance. The overview stabilizes the overall picture before detail work or steering begins. | 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. | 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. | 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 | Medium | Medium | High |
Timedifferent | 1-3 h | 2-4 h | 45-120 min | 2-6 h |
Participantsdifferent | 3-12 | 2-6 | 2-6 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | System Map, Dependencies, Leverage Points | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Systems thinkingMappingBoundariesChange | Root causeSafetyIncident | ChangeRoot causeTroubleshootingComparison | CausalityIncidentRoot causeTimeline |