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| Criterion |  Operations Waste Analysis |  Product Discovery Pretotyping |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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. | 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 | Low | Low | Medium |
Timedifferent | 45-120 min | Stunden bis wenige Tage | 1-5 Tage |
Participantsdifferent | 2-8 | 1-4 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | WasteLeanProcess improvement | ValidationDemandMVP | ValidationExperimentsDemandDiscovery |
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