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| Criterion |  Operations Root Cause Analysis |  Operations 8D Problem Solving |  Innovation Morphological 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. | 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. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-4 h | 1-6 Wochen | 1-3 h |
Participantsdifferent | 3-8 | 4-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause | IdeationInnovationCreativity |
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