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| Criterion |  Operations Change Analysis |  Operations Fishbone Diagram |  Product Discovery Assumption Mapping |
|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-120 min | 30-60 min | 45-60 min |
Participantsdifferent | 2-6 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fishbone Diagram, Cause Categories, Investigation Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Root causeQualityOperations | AssumptionsRiskExperimentsValidation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
