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Selected:ARID (Active Reviews for Intermediate Designs)Behavior Over Time Graph Assumption Mapping Stock and Flow Diagram

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Systems Thinking Behavior Over Time Graph	Product Discovery Assumption Mapping	Systems Thinking Stock and Flow Diagram
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 Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics.
Complexitydifferent	Medium	Low	Medium	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	20-45 min	45-60 min	2-6 h
Participantsdifferent	Designers, developers as users, and facilitation	1-10	2-8	1-6
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Behavior Over Time Graph, Trend Hypotheses, Key Events	Assumption map, Test backlog, Risk ranking	Stock and Flow Model, Dynamics Notes, Simulation Hypotheses
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Systems thinkingPatternsDynamics	AssumptionsRiskExperimentsValidation	DynamicsSimulationFeedbackSystems thinking

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