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Criterion
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)
Paper illustration for Evaporating Cloud.
Systems Thinking
Evaporating Cloud
Stock and Flow Diagram method illustration showing its working structure
Systems Thinking
Stock and Flow Diagram
Paper illustration of System Dynamics Simulation with its method-specific working model.
Systems Thinking
System Dynamics Simulation
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.The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.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.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.
Complexitydifferent
MediumMediumHighHigh
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional60-120 min2-6 hMehrere Tage bis Wochen
Participantsdifferent
Designers, developers as users, and facilitation2-81-61-5 Modellierende, Stakeholder asynchron
Formatdifferent
Workshop + asyncWorkshopWorkshop + asyncAsync
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsConflict Cloud, Assumption List, Breakthrough Ideas, Next ExperimentsStock and Flow Model, Dynamics Notes, Simulation HypothesesSimulation Model, Scenario Reports
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
Theory of ConstraintsAssumptionsSystems thinking
DynamicsSimulationFeedbackSystems thinking
Systems thinkingDynamicsSimulationAnalysis
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