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| Criterion |  Innovation Reverse Brainstorming |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-60 min | 30-60 min | 1-6 Wochen |
Participantsdifferent | 3-12 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | BrainstormingIdeationCreativityRisk | Root causeQualityOperations | QualityProblem solvingRoot cause |
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