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| Criterion |  Operations Root Cause Analysis |  Innovation Brainwriting |  Operations Barrier Analysis |
|---|---|---|---|
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. | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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 | Low | Medium |
Timedifferent | 1-4 h | 15-30 min | 2-4 h |
Participantsdifferent | 3-8 | 3-12 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Idea sheets, Expanded concepts, Prioritized list | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeProblem solvingQualityIncident | BrainstormingCollaborationInclusionIdeas | Root causeSafetyIncident |
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