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| Criterion |  Operations 8D Problem Solving |  Product Discovery Experiment Canvas |  Operations Change Analysis |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|---|
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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 1-6 Wochen | 30-60 min | 45-120 min | 60-90 min |
Participantsdifferent | 4-10 | 1-5 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Completed Experiment Canvas, Success Metric | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryHypothesis | ChangeRoot causeTroubleshootingComparison | ExperimentsPrioritizationDiscoveryHypothesis |