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Selected:ARID (Active Reviews for Intermediate Designs)A3 Problem Solving Causal Loop Diagram Current Reality Tree

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations A3 Problem Solving	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.	For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together.	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	45-90 min	1-3 h	2-6 h
Participantsdifferent	Designers, developers as users, and facilitation	2-5	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	A3 Report, Action Plan, Root Cause Analysis	Causal Loop Diagram, Feedback Notes, Leverage Points	Current Reality Tree, Core Problems, Intervention Ideas
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	LeanProblem solvingCoachingOperations	FeedbackSystems thinkingCausalityDynamics	Systems thinkingRoot causeConstraintsCausality

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