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| Criterion |  Operations Gemba Walk |  Operations Process Mapping |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | 1-3 h | 1-5 Tage | 45-75 min |
Participantsdifferent | 2-6 | 3-10 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Workshop | Async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Process Map, Handoff List, Improvement Backlog | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | LeanObservationProcessOperations | ProcessOperationsImprovement | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |