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| Criterion |  Operations Fishbone Diagram |  Operations 8D Problem Solving |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | 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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-60 min | 1-6 Wochen | 1-4 Wochen |
Participantsdifferent | 2-8 | 4-10 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Experiment results, Decision log, Learning summary |
Tagsno overlap | Root causeQualityOperations | QualityProblem solvingRoot cause | ExperimentsGrowthAnalyticsValidation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
