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| Criterion |  Operations Change Analysis |  Operations Fishbone Diagram |  UX Research Card Sorting |
|---|---|---|---|
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 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. | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-120 min | 30-60 min | 20-45 min |
Participantsdifferent | 2-6 | 2-8 | Based on research question |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fishbone Diagram, Cause Categories, Investigation Backlog | Content groups, Label set, IA hypotheses |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Root causeQualityOperations | Information architectureNavigationStructure |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
