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| Criterion |  Architecture C4 Model |  Product Strategy DIBB |  Product Discovery Riskiest Assumption Test |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-4 h | 1-2 h | 1-2 Wochen pro Iteration | 20-35 min |
Participantsdifferent | 1-5 | 2-8 | 2-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | DIBB document, Belief list, Bet list, Learning report | Prioritized Assumption List, Test Plan, Results Report | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureCommunicationVisualization | StrategyDecisionAssumptionsHypothesis | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryHypothesis |