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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Design Lean UX Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 2-3 h | 1-5 Tage |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Completed Lean UX Canvas, Hypothesis list, First experiment | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | CanvasHypothesisOutcomesDiscovery | ValidationExperimentsDemandDiscovery |
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