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Selected:ARID (Active Reviews for Intermediate Designs)Evaporating CloudRoot Cause AnalysisAssumption Mapping
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Systems Thinking Evaporating Cloud |  Operations Root Cause Analysis |  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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 60-120 min | 1-4 h | 45-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | 2-8 | 3-8 | 2-8 |
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 | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Theory of ConstraintsAssumptionsSystems thinking | Root causeProblem solvingQualityIncident | AssumptionsRiskExperimentsValidation |