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Selected:ARID (Active Reviews for Intermediate Designs)Incident Command Fishbone Diagram Root Cause Tree Analysis

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	DevOps Incident Command	Operations Fishbone Diagram	Operations Root Cause Tree 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.	During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once.	When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers.	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	2–4 h review as a planning range; preparation and evaluation additional	As needed	30-60 min	1-3 h
Participantsdifferent	Designers, developers as users, and facilitation	4-15	2-8	2-8
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Incident Log, Action Tracker, Stakeholder Updates	Fishbone Diagram, Cause Categories, Investigation Backlog	Cause Tree, Evidence Notes, Countermeasures
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	IncidentOperationsReliability	Root causeQualityOperations	Root causeTreeIncidentQuality

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