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Selected:ARID (Active Reviews for Intermediate Designs)Value Chain AnalysisRiskiest Assumption TestExperiment Canvas
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Business Strategy Value Chain Analysis |  Product Discovery Riskiest Assumption Test |  Product Discovery Experiment 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Half day | 1-2 Wochen pro Iteration | 30-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | 2-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Value Chain Map, Lever List | Prioritized Assumption List, Test Plan, Results Report | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StrategyBusiness modelDiagnosisAnalysis | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryHypothesis |