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| Criterion |  Decision Making Eisenhower Matrix |  Architecture arc42 |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 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 | Low | Low | Medium | Medium |
Timedifferent | 15-30 min | 1-2 Tage | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | 1-6 | 1-4 | 2-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Eisenhower Matrix, Action List, Delegation Notes | Architecture Document, Context View, Runtime View, Deployment View | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | PrioritizationFocusTasks | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |