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Selected:Assumption Mapping Causal Loop Diagram Stock and Flow Diagram ARID (Active Reviews for Intermediate Designs)

Criterion	Product Discovery Assumption Mapping	Systems Thinking Causal Loop Diagram	Systems Thinking Stock and Flow Diagram	Architecture ARID (Active Reviews for Intermediate Designs)
Purposedifferent	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	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 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.	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.
Complexitydifferent	Medium	Medium	High	Medium
Timedifferent	45-60 min	1-3 h	2-6 h	2–4 h review as a planning range; preparation and evaluation additional
Participantsdifferent	2-8	2-8	1-6	Designers, developers as users, and facilitation
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Assumption map, Test backlog, Risk ranking	Causal Loop Diagram, Feedback Notes, Leverage Points	Stock and Flow Model, Dynamics Notes, Simulation Hypotheses	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions
Tagsno overlap	AssumptionsRiskExperimentsValidation	FeedbackSystems thinkingCausalityDynamics	DynamicsSimulationFeedbackSystems thinking	ArchitectureEngineeringFeedbackValidationTasks

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