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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Architecture arc42 |  Product Discovery MVP Test Matrix |  Product Discovery Riskiest Assumption 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 Tage | 45-75 min | 1-2 Wochen pro Iteration |
Participantsdifferent | Designers, developers as users, and facilitation | 1-4 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Architecture Document, Context View, Runtime View, Deployment View | Test Matrix, Test Plan | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryAssumptions |