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| Criterion |  Operations Root Cause Analysis |  UX Research Affinity Diagramming |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | 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. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 h | 45–90 min | 45-90 min |
Participantsdifferent | 3-8 | 3-10 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Theme clusters, Insight statements, Opportunity areas | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Root causeProblem solvingQualityIncident | SynthesisQualitativeRoot cause | LeanProblem solvingCoachingOperations |
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