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| Criterion |  Operations Kaizen Event |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Lean Startup |
|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 0.5-5 Tage | 2–4 h review as a planning range; preparation and evaluation additional | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 4-10 | Designers, developers as users, and facilitation | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | LeanContinuous improvementOperations | ArchitectureEngineeringFeedbackValidationTasks | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
