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Criterion
Paper illustration of a Polarity Map with two poles and four quadrants
Systems Thinking
Polarity Mapping
Stock and Flow Diagram method illustration showing its working structure
Systems Thinking
Stock and Flow Diagram
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)
Paper illustration for Behavior Over Time Graph.
Systems Thinking
Behavior Over Time Graph
Purposedifferent
Polarity Mapping makes tensions between two opposing poles tangible, such as standardization and adaptation or control and autonomy. The method guards against making apparent either-or decisions prematurely.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.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.
Complexitydifferent
MediumHighMediumLow
Timedifferent
1-2 h2-6 h2–4 h review as a planning range; preparation and evaluation additional20-45 min
Participantsdifferent
3-121-6Designers, developers as users, and facilitation1-10
Formatdifferent
WorkshopWorkshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Polarity Map, Warning Signs, Balance ActionsStock and Flow Model, Dynamics Notes, Simulation HypothesesPrioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsBehavior Over Time Graph, Trend Hypotheses, Key Events
Tagsno overlap
Systems thinkingTradeoffsLeadership
DynamicsSimulationFeedbackSystems thinking
ArchitectureEngineeringFeedbackValidationTasks
Systems thinkingPatternsDynamics
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