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Selected:ARID (Active Reviews for Intermediate Designs)Outcome-Driven InnovationTest CardLean UX Canvas
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Outcome-Driven Innovation |  Product Discovery Test Card |  UX Design Lean UX Canvas |
|---|---|---|---|---|
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. | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | High | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Mehrere Wochen | 20-35 min | 2-3 h |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 researchers plus sample | 1-5 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Test Card with a pre-set threshold | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | OutcomesInnovationResearchQuantitative | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery |