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| Criterion |  Knowledge Modeling PARA Method |  Engineering Failure Scenario Analysis |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The PARA Method organizes knowledge into Projects, Areas, Resources, and Archives. It creates order when digital notes, files, and tasks no longer cleanly fit current work. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Medium | Low | Medium |
Timedifferent | 1-3 h Setup, laufend | 1-3 h | 25-40 min | 1-5 Tage |
Participantsdifferent | 1 | 3-8 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | KnowledgeProductivityOrganization | FailureResilienceRisk | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |