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| Criterion |  Operations Root Cause Tree Analysis |  Operations Root Cause Analysis |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-3 h | 1-4 h | 45-90 min |
Participantsdifferent | 2-8 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Root causeTreeIncidentQuality | Root causeProblem solvingQualityIncident | AssumptionsRiskDecisionDiscovery |
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