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| Criterion |  Operations Gemba Walk |  Product Discovery Smoke Test |  Product Discovery Pretotyping |
|---|---|---|---|
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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-120 min | 1-5 Tage | Stunden bis wenige Tage |
Participantsdifferent | 2-6 | Nutzertraffic | 1-4 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Interest Metrics, Conversion Signal, Learning Note | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision |
Tagsno overlap | LeanObservationProcessOperations | ValidationExperimentsDemandGrowth | ValidationDemandMVP |
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