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Selected:ARID (Active Reviews for Intermediate Designs)Decision Tree Root Cause Tree Analysis 8D Problem Solving

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Decision Making Decision Tree	Operations Root Cause Tree Analysis	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.	For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch.	For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie.	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	Medium	Medium	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-90 min	1-3 h	1-6 Wochen
Participantsdifferent	Designers, developers as users, and facilitation	1-6	2-8	4-10
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Decision Tree, Option Map, Assumption List	Cause Tree, Evidence Notes, Countermeasures	8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	DecisionTreeOptions	Root causeTreeIncidentQuality	QualityProblem solvingRoot cause

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