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Selected:Failure Scenario AnalysisARID (Active Reviews for Intermediate Designs)Riskiest Assumption Test
| Criterion |  Engineering Failure Scenario Analysis |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-8 | Designers, developers as users, and facilitation | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | FailureResilienceRisk | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryAssumptions |
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