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| Criterion |  Operations Root Cause Analysis |  Decision Making Assumption Surfacing |  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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Low | High |
Timedifferent | 1-4 h | 45-90 min | 2-8 h |
Participantsdifferent | 3-8 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Assumption List, Critical Assumptions, Learning Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Root causeProblem solvingQualityIncident | AssumptionsRiskDecisionDiscovery | Problem solvingRoot causeDecisionOperations |
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