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Selected:ARID (Active Reviews for Intermediate Designs)Current Reality Tree Constraint Analysis Decision Tree

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Systems Thinking Current Reality Tree	Decision Making Constraint Analysis	Decision Making Decision 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.	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.	When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped.	For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch.
Complexitydifferent	Medium	High	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	2-6 h	30-90 min	30-90 min
Participantsdifferent	Designers, developers as users, and facilitation	3-8	2-8	1-6
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Current Reality Tree, Core Problems, Intervention Ideas	Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries	Decision Tree, Option Map, Assumption List
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Systems thinkingRoot causeConstraintsCausality	ConstraintsDecisionPlanningOptions	DecisionTreeOptions

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