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| Criterion |  Operations Visual Management |  Product Discovery Pretotyping |  Operations A3 Problem Solving |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | Medium |
Timedifferent | Ongoing | Stunden bis wenige Tage | 45-90 min | 1-5 Tage |
Participantsdifferent | 1-20 | 1-4 | 2-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | A3 Report, Action Plan, Root Cause Analysis | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | SignalsOperationsVisual management | ValidationDemandMVP | LeanProblem solvingCoachingOperations | ValidationExperimentsDemandDiscovery |