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Selected:Change Analysis Architecture Decision Record Fault Isolation ARID (Active Reviews for Intermediate Designs)

Criterion	Operations Change Analysis	Architecture Architecture Decision Record	Engineering Fault Isolation	Architecture ARID (Active Reviews for Intermediate Designs)
Purposedifferent	For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise.	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.	In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected.	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.
Complexitydifferent	Medium	Low	Medium	Medium
Timedifferent	45-120 min	15-45 min	30-180 min	2–4 h review as a planning range; preparation and evaluation additional
Participantsdifferent	2-6	1-3	1-6	Designers, developers as users, and facilitation
Formatdifferent	Workshop + async	Async	Workshop + async	Workshop + async
Outputdifferent	Change Matrix, Cause Hypotheses, Validation Questions, Action List	ADR File, Decision Log, Rationale	Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions
Tagsno overlap	ChangeRoot causeTroubleshootingComparison	ArchitectureRationaleDocumentationGovernance	TroubleshootingDiagnosisEngineering	ArchitectureEngineeringFeedbackValidationTasks

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