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| Criterion |  Systems Thinking Futures Wheel |  Operations Fault Tree Analysis |  Operations Root Cause Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | The Futures Wheel helps explore the consequences of a decision, a trend, or a strategic move in a structured way. It makes visible which first, second, and third-order effects could arise from an event. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 60-120 min | 2-6 h | 1-4 h | 2-4 h |
Participantsdifferent | 3-10 | 3-8 | 3-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Futures Wheel, Consequence Chains, Strategic Signals | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ForesightSystems thinkingSignals | RiskRoot causeSafety | Root causeProblem solvingQualityIncident | Root causeSafetyIncident |