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| Criterion |  Operations 8D Problem Solving |  Innovation Brainwriting |  Facilitation Mind Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | When a topic is still unclear and too many thoughts surface at once, Mind Mapping creates an open surface for ordering them. It makes connections, subtopics, and starting points visible without fixing them too early. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-6 Wochen | 15-30 min | 15-45 min | 15-30 min |
Participantsdifferent | 4-10 | 3-12 | 1-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Idea sheets, Expanded concepts, Prioritized list | Mind Map, Topic Clusters, Open Questions | Root cause notes, Countermeasures |
Tagsno overlap | QualityProblem solvingRoot cause | BrainstormingCollaborationInclusionIdeas | BrainstormingIdeasMappingStructureFacilitation | Root causeIncidentLeanProblem solving |