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Selected:Visual Management ARID (Active Reviews for Intermediate Designs)A3 Problem Solving Kepner-Tregoe

Criterion	Operations Visual Management	Architecture ARID (Active Reviews for Intermediate Designs)	Operations A3 Problem Solving	Operations Kepner-Tregoe
Purposedifferent	With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work.	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.	For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations.
Complexitydifferent	Low	Medium	Medium	High
Timedifferent	Ongoing	2–4 h review as a planning range; preparation and evaluation additional	45-90 min	2-8 h
Participantsdifferent	1-20	Designers, developers as users, and facilitation	2-5	2-8
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Visual Board, Status Indicators, Exception Cues	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	A3 Report, Action Plan, Root Cause Analysis	Problem Analysis, Decision Analysis, Risk Plan
Tagsno overlap	SignalsOperationsVisual management	ArchitectureEngineeringFeedbackValidationTasks	LeanProblem solvingCoachingOperations	Problem solvingRoot causeDecisionOperations

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