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| Criterion |  Operations ALPEN Method |  Product Discovery Smoke Test |  Operations 8D Problem Solving |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | Medium |
Timedifferent | 10-20 min daily | 1-5 Tage | 1-6 Wochen | 1-5 Tage |
Participantsdifferent | 1 | Nutzertraffic | 4-10 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Interest Metrics, Conversion Signal, Learning Note | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | PlanningTime managementProductivityOperations | ValidationExperimentsDemandGrowth | QualityProblem solvingRoot cause | ValidationExperimentsDemandDiscovery |