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| Criterion |  Operations Barrier Analysis |  Operations 5 Whys |  Innovation Rapid Ideation |
|---|---|---|---|
Purposedifferent | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 2-4 h | 15-30 min | 5-20 min |
Participantsdifferent | 2-6 | 2-6 | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | Root causeSafetyIncident | Root causeIncidentLeanProblem solving | BrainstormingIdeationDivergenceSpeed |
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