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| Criterion |  Operations Fault Tree Analysis |  Delivery RAID Log |  Operations Causal Factor Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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. | 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 | Low | High | High |
Timedifferent | 2-6 h | 30 min Setup, dann laufend | 2-6 h | 2-6 h |
Participantsdifferent | 3-8 | 1-3 maintaining, briefing for everyone | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | RAID Log, Status Report Source | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | RiskRoot causeSafety | RiskTrackingStakeholdersGovernance | CausalityIncidentRoot causeTimeline | Systems thinkingRoot causeConstraintsCausality |