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Selected:ARID (Active Reviews for Intermediate Designs)After-Action Review Kepner-Tregoe 8D Problem Solving

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations After-Action Review	Operations Kepner-Tregoe	Operations 8D Problem Solving
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.	After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement.	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.	For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly.
Complexitydifferent	Medium	Low	High	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	20-45 min	2-8 h	1-6 Wochen
Participantsdifferent	Designers, developers as users, and facilitation	3-12	2-8	4-10
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Lessons learned, Action items, Event summary	Problem Analysis, Decision Analysis, Risk Plan	8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	LearningOperationsImprovement	Problem solvingRoot causeDecisionOperations	QualityProblem solvingRoot cause

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