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| Criterion |  UX Research Affinity Diagramming |  Operations Root Cause Tree Analysis |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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 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. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 45–90 min | 1-3 h | 45-120 min |
Participantsdifferent | 3-10 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Cause Tree, Evidence Notes, Countermeasures | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tags1 shared | SynthesisQualitativeRoot cause | Root causeTreeIncidentQuality | ChangeRoot causeTroubleshootingComparison |
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