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Selected:Root Cause Analysis ARID (Active Reviews for Intermediate Designs)Architecture Decision Record Root Cause Tree Analysis

Criterion	Operations Root Cause Analysis	Architecture ARID (Active Reviews for Intermediate Designs)	Architecture Architecture Decision Record	Operations Root Cause Tree Analysis
Purposedifferent	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.	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.	An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.	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.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	1-4 h	2–4 h review as a planning range; preparation and evaluation additional	15-45 min	1-3 h
Participantsdifferent	3-8	Designers, developers as users, and facilitation	1-3	2-8
Formatdifferent	Workshop + async	Workshop + async	Async	Workshop
Outputdifferent	Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	ADR File, Decision Log, Rationale	Cause Tree, Evidence Notes, Countermeasures
Tagsno overlap	Root causeProblem solvingQualityIncident	ArchitectureEngineeringFeedbackValidationTasks	ArchitectureRationaleDocumentationGovernance	Root causeTreeIncidentQuality

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