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| Criterion |  Operations Change Analysis |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  UX Research Affinity Diagramming |
|---|---|---|---|---|
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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 45-120 min | 30–60 min per interview | 1-2 h Setup, laufend | 45–90 min |
Participantsdifferent | 2-6 | 1 participant per interview | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | SynthesisQualitativeRoot cause |