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Selected:ARID (Active Reviews for Intermediate Designs)Riskiest Assumption TestExperiment CanvasAssumption Mapping
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Riskiest Assumption Test |  Product Discovery Experiment Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | 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 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 Wochen pro Iteration | 30-60 min | 45-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 1-5 | 2-8 |
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 | Prioritized Assumption List, Test Plan, Results Report | Completed Experiment Canvas, Success Metric | Assumption map, Test backlog, Risk ranking |
Tags1 shared | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskExperimentsValidation |