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| Criterion |  Operations Visual Management |  UX Research User Interviews |  UX Research Affinity Diagramming |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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 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 problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | Ongoing | 30–60 min per interview | 45–90 min | 30-60 min |
Participantsdifferent | 1-20 | 1 participant per interview | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | SignalsOperationsVisual management | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause | Root causeQualityOperations |