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| Criterion |  UX Design Lean UX Canvas |  Product Discovery Opportunity Solution Tree |  Architecture arc42 |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2-3 h | 1-2 h Setup, laufend | 1-2 Tage | 20-35 min |
Participantsdifferent | 3-8 | 2-6 | 1-4 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Opportunity Solution Tree, Experiment Backlog, Learning Log | Architecture Document, Context View, Runtime View, Deployment View | Test Card with a pre-set threshold |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | DiscoveryOutcomesExperimentsOpportunity | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryHypothesis |