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Selected:Concierge MVPARID (Active Reviews for Intermediate Designs)Fault IsolationExperiment Canvas
| Criterion |  Product Discovery Concierge MVP |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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 | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min | 30-60 min |
Participantsdifferent | 3-10 Kunden | Designers, developers as users, and facilitation | 1-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Concierge Learnings, Service Blueprint, MVP Risks | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Completed Experiment Canvas, Success Metric |
Tagsno overlap | MVPValidationServiceDiscovery | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering | ExperimentsValidationDiscoveryHypothesis |