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| Criterion |  Operations 5 Whys |  Decision Making Decision Matrix |
|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Low | Medium |
Timedifferent | 15-30 min | 45-90 min |
Participantsdifferent | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | Root causeIncidentLeanProblem solving | DecisionCriteriaScoringTradeoffs |
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