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| Criterion |  Innovation Lean Startup |  DevOps Game Day |  DevOps ChatOps |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | 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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | Halber Tag | Ongoing | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 2-8 | 5-20 | 2-20 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Simulation Notes, Gaps List, Updated Runbooks | Chat Transcript, Action Log, Automations | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | LeanStartupValidationMVP | ResilienceOperationsIncident | CollaborationEngineeringIncident | ArchitectureEngineeringFeedbackValidationTasks |