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| Criterion |  Operations Root Cause Analysis |  Operations Barrier Analysis |  Innovation Lotus Blossom |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-4 h | 2-4 h | 45-90 min | 30-60 min |
Participantsdifferent | 3-8 | 2-6 | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Lotus Diagram, Idea Themes, Shortlist | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeSafetyIncident | BrainstormingIdeationCreativityDivergenceWorkshop | BrainstormingIdeationCreativityWorkshopDivergence |