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Selected:Gemba Walk Architecture Decision Record ARID (Active Reviews for Intermediate Designs)Kaizen Event

Criterion	Operations Gemba Walk	Architecture Architecture Decision Record	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Kaizen Event
Purposedifferent	When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions.	An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.	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 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.
Complexitydifferent	Low	Low	Medium	Medium
Timedifferent	30-120 min	15-45 min	2–4 h review as a planning range; preparation and evaluation additional	0.5-5 Tage
Participantsdifferent	2-6	1-3	Designers, developers as users, and facilitation	4-10
Formatdifferent	Workshop	Async	Workshop + async	Workshop
Outputdifferent	Observation Notes, Improvement Ideas	ADR File, Decision Log, Rationale	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update
Tagsno overlap	LeanObservationProcessOperations	ArchitectureRationaleDocumentationGovernance	ArchitectureEngineeringFeedbackValidationTasks	LeanContinuous improvementOperations

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