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| Criterion |  Knowledge Modeling PARA Method |  Product Discovery Riskiest Assumption Test |  Domain Modeling EventStorming |  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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-3 h Setup, laufend | 1-2 Wochen pro Iteration | 2-8 h | 1-5 Tage |
Participantsdifferent | 1 | 2-6 | 5-12 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Prioritized Assumption List, Test Plan, Results Report | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | KnowledgeProductivityOrganization | ExperimentsValidationDiscoveryAssumptions | Domain-Driven DesignEventsDiscoveryWorkshop | ValidationExperimentsDemandDiscovery |