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| Criterion |  Operations Fault Tree Analysis |  Operations Barrier Analysis |  Innovation SCAMPER |  Innovation Morphological Analysis |
|---|---|---|---|---|
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. | 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 an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 2-6 h | 2-4 h | 30-60 min | 1-3 h |
Participantsdifferent | 3-8 | 2-6 | 2-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | SCAMPER Idea List, Concept Shortlist, Variation Notes | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | RiskRoot causeSafety | Root causeSafetyIncident | BrainstormingIdeationCreativityReframingInnovation | IdeationInnovationCreativity |