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| Criterion |  Operations Change Analysis |  UX Research Affinity Diagramming |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | 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 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 | Medium | Low | Low |
Timedifferent | 45-120 min | 45–90 min | 15-30 min |
Participantsdifferent | 2-6 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Theme clusters, Insight statements, Opportunity areas | Root cause notes, Countermeasures |
Tags1 shared | ChangeRoot causeTroubleshootingComparison | SynthesisQualitativeRoot cause | Root causeIncidentLeanProblem solving |
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