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| Criterion |  Operations 8D Problem Solving |  UX Research Affinity Diagramming |  Facilitation Decision Jam |  Operations Root Cause Analysis |
|---|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 1-6 Wochen | 45–90 min | 60-90 min | 1-4 h |
Participantsdifferent | 4-10 | 3-10 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Theme clusters, Insight statements, Opportunity areas | Problem Cluster, Prioritized Challenge, Experiment | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | QualityProblem solvingRoot cause | SynthesisQualitativeRoot cause | FacilitationDecisionProblem solvingWorkshop | Root causeProblem solvingQualityIncident |