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Selected:Opportunity Solution TreeARID (Active Reviews for Intermediate Designs)Experiment CanvasLean UX Canvas
| Criterion |  Product Discovery Opportunity Solution Tree |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Experiment Canvas |  UX Design Lean UX Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 h Setup, laufend | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min | 2-3 h |
Participantsdifferent | 2-6 | Designers, developers as users, and facilitation | 1-5 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Completed Experiment Canvas, Success Metric | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery |