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Selected:ARID (Active Reviews for Intermediate Designs)Fishbone Diagram Standard Work Analysis Gemba Walk

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Fishbone Diagram	Operations Standard Work Analysis	Operations Gemba Walk
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.	When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers.	When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude.	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.
Complexitydifferent	Medium	Low	Medium	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-60 min	1-3 h	30-120 min
Participantsdifferent	Designers, developers as users, and facilitation	2-8	2-6	2-6
Formatdifferent	Workshop + async	Workshop	Workshop	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Fishbone Diagram, Cause Categories, Investigation Backlog	Standard Work Sheet, Deviation List, Improved Standard, Training Needs	Observation Notes, Improvement Ideas
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Root causeQualityOperations	LeanProcessQuality	LeanObservationProcessOperations

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