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| Criterion |  Operations Gemba Walk |  Product Strategy ICE Scoring |  Product Discovery Smoke Test |
|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-120 min | 30-60 min | 1-5 Tage |
Participantsdifferent | 2-6 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | ICE Table, Top Idea List | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationScoringGrowthDecision | ValidationExperimentsDemandGrowth |
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