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| Criterion |  Operations 8D Problem Solving |  Facilitation Decision Jam |  UX Research Empathy Mapping |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-6 Wochen | 60-90 min | 30–60 min | 15-30 min |
Participantsdifferent | 4-10 | 4-10 | 4-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Cluster, Prioritized Challenge, Experiment | Empathy Map, Assumptions List, Research Gaps | Root cause notes, Countermeasures |
Tagsno overlap | QualityProblem solvingRoot cause | FacilitationDecisionProblem solvingWorkshop | SynthesisQualitativeWorkshop | Root causeIncidentLeanProblem solving |