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| Criterion |  Knowledge Modeling PARA Method |  Product Discovery Fake Door Test |  Decision Making Assumption Surfacing |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h Setup, laufend | 1-5 Tage | 45-90 min | 25-40 min |
Participantsdifferent | 1 | Nutzertraffic | 2-8 | 1-5 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Click Data, Interest Signal, Learning Decision | Assumption List, Critical Assumptions, Learning Plan | Learning Card with evidence and next action |
Tagsno overlap | KnowledgeProductivityOrganization | ValidationExperimentsDemandDiscovery | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryLearning |