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| Criterion |  Operations Root Cause Analysis |  Innovation Design Thinking |  Operations Kepner-Tregoe |
|---|---|---|---|
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 complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | High |
Timedifferent | 1-4 h | 1 Tag bis mehrere Wochen | 2-8 h |
Participantsdifferent | 3-8 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Statement, Prototype, Test Learnings | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Root causeProblem solvingQualityIncident | InnovationPrototypeResearch | Problem solvingRoot causeDecisionOperations |
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