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Selected:ARID (Active Reviews for Intermediate Designs)Root Cause Tree Analysis Pareto Analysis 5 Whys

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Root Cause Tree Analysis	Decision Making Pareto Analysis	Operations 5 Whys
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.	For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description.
Complexitydifferent	Medium	Medium	Low	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	1-3 h	30-60 min	15-30 min
Participantsdifferent	Designers, developers as users, and facilitation	2-8	1-6	2-6
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop
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	Root cause notes, Countermeasures
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Root causeTreeIncidentQuality	PrioritizationQualityFocusRoot cause	Root causeIncidentLeanProblem solving

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