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| Criterion |  Operations 8D Problem Solving |  Operations Root Cause 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 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. | 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 | Medium | Medium |
Timedifferent | 1-6 Wochen | 1-4 h | 60-90 min |
Participantsdifferent | 4-10 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident | ExperimentsPrioritizationDiscoveryHypothesis |
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