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| Criterion |  Product Discovery Solution Interview |  Operations Fishbone Diagram |  Product Discovery Smoke Test |
|---|---|---|---|
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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 30-60 min | 1-5 Tage |
Participantsdifferent | 5-10 Interviews | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Fishbone Diagram, Cause Categories, Investigation Backlog | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ValidationInterviewsPrototype | Root causeQualityOperations | ValidationExperimentsDemandGrowth |
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