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| Criterion |  Knowledge Modeling PARA Method |  Product Discovery Opportunity Solution Tree |  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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 h Setup, laufend | 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 | Opportunity Solution Tree, Experiment Backlog, Learning Log | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | KnowledgeProductivityOrganization | DiscoveryOutcomesExperimentsOpportunity | Domain-Driven DesignEventsDiscoveryWorkshop | ValidationExperimentsDemandDiscovery |