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Selected:ARID (Active Reviews for Intermediate Designs)Root Cause Tree Analysis Pareto Analysis Root Cause Analysis

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Root Cause Tree Analysis	Decision Making Pareto Analysis	Operations Root Cause Analysis
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 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.	In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle.	When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	1-3 h	30-60 min	1-4 h
Participantsdifferent	Designers, developers as users, and facilitation	2-8	1-6	3-8
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Cause Tree, Evidence Notes, Countermeasures	Pareto Chart, Top Causes, Focus List	Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Root causeTreeIncidentQuality	PrioritizationQualityFocusRoot cause	Root causeProblem solvingQualityIncident

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