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| Criterion |  Decision Making Decision Matrix |  Operations Root Cause Analysis |  Operations Change Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-4 h | 45-120 min | 1-3 h |
Participantsdifferent | 2-8 | 3-8 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | Root causeProblem solvingQualityIncident | ChangeRoot causeTroubleshootingComparison | Root causeTreeIncidentQuality |