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| Criterion |  Knowledge Modeling PARA Method |  Product Discovery Smoke Test |  Business Strategy Value Chain Analysis |  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. | 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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 | Low | High | Medium |
Timedifferent | 1-3 h Setup, laufend | 1-5 Tage | Half day | 1-5 Tage |
Participantsdifferent | 1 | Nutzertraffic | 3-8 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Interest Metrics, Conversion Signal, Learning Note | Value Chain Map, Lever List | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | KnowledgeProductivityOrganization | ValidationExperimentsDemandGrowth | StrategyBusiness modelDiagnosisAnalysis | ValidationExperimentsDemandDiscovery |