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| Criterion |  Product Discovery Solution Interview |  Operations Fishbone Diagram |  UX Research Empathy Mapping |
|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 30-60 min | 30–60 min |
Participantsdifferent | 5-10 Interviews | 2-8 | 4-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Fishbone Diagram, Cause Categories, Investigation Backlog | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | ValidationInterviewsPrototype | Root causeQualityOperations | SynthesisQualitativeWorkshop |
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