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| Criterion |  Engineering Failure Scenario Analysis |  Systems Thinking Current Reality Tree |  Operations Change Analysis |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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 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. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | 2-6 h | 45-120 min | 1-3 h |
Participantsdifferent | 3-8 | 3-8 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Current Reality Tree, Core Problems, Intervention Ideas | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | FailureResilienceRisk | Systems thinkingRoot causeConstraintsCausality | ChangeRoot causeTroubleshootingComparison | FeedbackSystems thinkingCausalityDynamics |