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| Criterion |  Operations Process Mapping |  Operations Kepner-Tregoe |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 1-3 h | 2-8 h | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 3-10 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Problem Analysis, Decision Analysis, Risk Plan | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ProcessOperationsImprovement | Problem solvingRoot causeDecisionOperations | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |