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Selected:Incident CommandLean StartupARID (Active Reviews for Intermediate Designs)A3 Problem Solving
| Criterion |  DevOps Incident Command |  Innovation Lean Startup |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | As needed | Wochen bis Monate je Lernzyklus | 2–4 h review as a planning range; preparation and evaluation additional | 45-90 min |
Participantsdifferent | 4-15 | 2-8 | Designers, developers as users, and facilitation | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | IncidentOperationsReliability | LeanStartupValidationMVP | ArchitectureEngineeringFeedbackValidationTasks | LeanProblem solvingCoachingOperations |