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Selected:ARID (Active Reviews for Intermediate Designs)Fault Isolation Causal Loop Diagram Current Reality Tree

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Engineering Fault Isolation	Systems Thinking Causal Loop Diagram	Systems Thinking Current Reality Tree
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.	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.	A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations.	A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once.
Complexitydifferent	Medium	Medium	Medium	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-180 min	1-3 h	2-6 h
Participantsdifferent	Designers, developers as users, and facilitation	1-6	2-8	3-8
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	Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area	Causal Loop Diagram, Feedback Notes, Leverage Points	Current Reality Tree, Core Problems, Intervention Ideas
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	TroubleshootingDiagnosisEngineering	FeedbackSystems thinkingCausalityDynamics	Systems thinkingRoot causeConstraintsCausality

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