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| Criterion |  Knowledge Modeling Event Modeling |  Knowledge Modeling IBIS |  Product Discovery Riskiest Assumption Test |  Domain Modeling EventStorming |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2-6 h | 1-3 h | 1-2 Wochen pro Iteration | 2-8 h |
Participantsdifferent | 2-8 | 2-8 | 2-6 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Issue Map, Positions, Argument Notes | Prioritized Assumption List, Test Plan, Results Report | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | RationaleKnowledgeDecision | ExperimentsValidationDiscoveryAssumptions | Domain-Driven DesignEventsDiscoveryWorkshop |