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Selected:ARID (Active Reviews for Intermediate Designs)System Dynamics Simulation Test Card Causal Loop Diagram

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Systems Thinking System Dynamics Simulation	Product Discovery Test Card	Systems Thinking Causal Loop 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.	System Dynamics Simulation makes assumptions about time, delay, and feedback testable through experiments. It draws relationships, patterns, and feedback loops. The result is captured as a simulation model and scenario reports.	The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success.	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.
Complexitydifferent	Medium	High	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	Mehrere Tage bis Wochen	20-35 min	1-3 h
Participantsdifferent	Designers, developers as users, and facilitation	1-5 Modellierende, Stakeholder asynchron	1-5	2-8
Formatdifferent	Workshop + async	Async	Workshop + async	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Simulation Model, Scenario Reports	Test Card with a pre-set threshold	Causal Loop Diagram, Feedback Notes, Leverage Points
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Systems thinkingDynamicsSimulationAnalysis	ExperimentsValidationDiscoveryHypothesis	FeedbackSystems thinkingCausalityDynamics

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