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| Criterion |  Decision Making Assumption Surfacing |  Operations Root Cause Analysis |  Systems Thinking Evaporating Cloud |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 45-90 min | 1-4 h | 60-120 min | 2-6 h |
Participantsdifferent | 2-8 | 3-8 | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | Root causeProblem solvingQualityIncident | Theory of ConstraintsAssumptionsSystems thinking | RiskQualityOperationsRoot cause |